Finding the Third Proportional to 14,639,391.50 and 31,798,900

Step by Step Solution

1. Step 1: Write the proportion equation
   14,639,391.50 : 31,798,900 = 31,798,900 : x
2. Step 2: Convert to fraction form
   14,639,391.50/31,798,900 = 31,798,900/x
3. Step 3: Cross multiply
   14,639,391.50x = 31,798,900 × 31,798,900
4. Step 4: Simplify right side
   14,639,391.50x = 1,011,170,041,210,000
5. Step 5: Solve for x
   x = 1,011,170,041,210,000/14,639,391.50
6. Step 6: Final answer
   x = 69,071,862.80