Finding the Third Proportional to 15,142.78 and 31,041.14

Step by Step Solution

1. Step 1: Write the proportion equation
   15,142.78 : 31,041.14 = 31,041.14 : x
2. Step 2: Convert to fraction form
   15,142.78/31,041.14 = 31,041.14/x
3. Step 3: Cross multiply
   15,142.78x = 31,041.14 × 31,041.14
4. Step 4: Simplify right side
   15,142.78x = 963,552,411.30
5. Step 5: Solve for x
   x = 963,552,411.30/15,142.78
6. Step 6: Final answer
   x = 63,631.14