Finding the Third Proportional to 15,145.13 and 31,045.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,145.13 : 31,045.50 = 31,045.50 : x
2. Step 2: Convert to fraction form
   15,145.13/31,045.50 = 31,045.50/x
3. Step 3: Cross multiply
   15,145.13x = 31,045.50 × 31,045.50
4. Step 4: Simplify right side
   15,145.13x = 963,823,070.25
5. Step 5: Solve for x
   x = 963,823,070.25/15,145.13
6. Step 6: Final answer
   x = 63,639.16