Finding the Third Proportional to 4,436,811 and 9,546,138

Step by Step Solution

1. Step 1: Write the proportion equation
   4,436,811 : 9,546,138 = 9,546,138 : x
2. Step 2: Convert to fraction form
   4,436,811/9,546,138 = 9,546,138/x
3. Step 3: Cross multiply
   4,436,811x = 9,546,138 × 9,546,138
4. Step 4: Simplify right side
   4,436,811x = 91,128,750,715,044
5. Step 5: Solve for x
   x = 91,128,750,715,044/4,436,811
6. Step 6: Final answer
   x = 20,539,245.58