Finding the Third Proportional to 115,564.50 and 252,396

Step by Step Solution

1. Step 1: Write the proportion equation
   115,564.50 : 252,396 = 252,396 : x
2. Step 2: Convert to fraction form
   115,564.50/252,396 = 252,396/x
3. Step 3: Cross multiply
   115,564.50x = 252,396 × 252,396
4. Step 4: Simplify right side
   115,564.50x = 63,703,740,816
5. Step 5: Solve for x
   x = 63,703,740,816/115,564.50
6. Step 6: Final answer
   x = 551,239.70