Finding the Third Proportional to 56,697.50 and 124,145

Step by Step Solution

1. Step 1: Write the proportion equation
   56,697.50 : 124,145 = 124,145 : x
2. Step 2: Convert to fraction form
   56,697.50/124,145 = 124,145/x
3. Step 3: Cross multiply
   56,697.50x = 124,145 × 124,145
4. Step 4: Simplify right side
   56,697.50x = 15,411,981,025
5. Step 5: Solve for x
   x = 15,411,981,025/56,697.50
6. Step 6: Final answer
   x = 271,828.23