Finding the Third Proportional to 3,833,771,818 and 5,478,559,647

Step by Step Solution

1. Step 1: Write the proportion equation
   3,833,771,818 : 5,478,559,647 = 5,478,559,647 : x
2. Step 2: Convert to fraction form
   3,833,771,818/5,478,559,647 = 5,478,559,647/x
3. Step 3: Cross multiply
   3,833,771,818x = 5,478,559,647 × 5,478,559,647
4. Step 4: Simplify right side
   3,833,771,818x = 30,014,615,805,736,763,392
5. Step 5: Solve for x
   x = 30,014,615,805,736,763,392/3,833,771,818
6. Step 6: Final answer
   x = 7,829,004,236.72