Finding the Third Proportional to 4,858,478,294,647.60 and 10,119,089,980,550

Step by Step Solution

1. Step 1: Write the proportion equation
   4,858,478,294,647.60 : 10,119,089,980,550 = 10,119,089,980,550 : x
2. Step 2: Convert to fraction form
   4,858,478,294,647.60/10,119,089,980,550 = 10,119,089,980,550/x
3. Step 3: Cross multiply
   4,858,478,294,647.60x = 10,119,089,980,550 × 10,119,089,980,550
4. Step 4: Simplify right side
   4,858,478,294,647.60x = 102,395,982,034,467,401,379,086,336
5. Step 5: Solve for x
   x = 102,395,982,034,467,401,379,086,336/4,858,478,294,647.60
6. Step 6: Final answer
   x = 21,075,731,087,915.56