Finding the Third Proportional to 20,598,859.50 and 31,866,868.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,598,859.50 : 31,866,868.50 = 31,866,868.50 : x
2. Step 2: Convert to fraction form
   20,598,859.50/31,866,868.50 = 31,866,868.50/x
3. Step 3: Cross multiply
   20,598,859.50x = 31,866,868.50 × 31,866,868.50
4. Step 4: Simplify right side
   20,598,859.50x = 1,015,497,307,996,292.25
5. Step 5: Solve for x
   x = 1,015,497,307,996,292.25/20,598,859.50
6. Step 6: Final answer
   x = 49,298,715.20