Finding the Third Proportional to 11,915,496 and 25,457,604

Step by Step Solution

1. Step 1: Write the proportion equation
   11,915,496 : 25,457,604 = 25,457,604 : x
2. Step 2: Convert to fraction form
   11,915,496/25,457,604 = 25,457,604/x
3. Step 3: Cross multiply
   11,915,496x = 25,457,604 × 25,457,604
4. Step 4: Simplify right side
   11,915,496x = 648,089,601,420,816
5. Step 5: Solve for x
   x = 648,089,601,420,816/11,915,496
6. Step 6: Final answer
   x = 54,390,484.58