Finding the Third Proportional to 103,612.50 and 157,446

Step by Step Solution

1. Step 1: Write the proportion equation
   103,612.50 : 157,446 = 157,446 : x
2. Step 2: Convert to fraction form
   103,612.50/157,446 = 157,446/x
3. Step 3: Cross multiply
   103,612.50x = 157,446 × 157,446
4. Step 4: Simplify right side
   103,612.50x = 24,789,242,916
5. Step 5: Solve for x
   x = 24,789,242,916/103,612.50
6. Step 6: Final answer
   x = 239,249.54