Finding the Third Proportional to 11,788,459.50 and 25,369,651.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,788,459.50 : 25,369,651.50 = 25,369,651.50 : x
2. Step 2: Convert to fraction form
   11,788,459.50/25,369,651.50 = 25,369,651.50/x
3. Step 3: Cross multiply
   11,788,459.50x = 25,369,651.50 × 25,369,651.50
4. Step 4: Simplify right side
   11,788,459.50x = 643,619,217,231,452.25
5. Step 5: Solve for x
   x = 643,619,217,231,452.25/11,788,459.50
6. Step 6: Final answer
   x = 54,597,398.18