Finding the Third Proportional to 115,492.50 and 240,057

Step by Step Solution

1. Step 1: Write the proportion equation
   115,492.50 : 240,057 = 240,057 : x
2. Step 2: Convert to fraction form
   115,492.50/240,057 = 240,057/x
3. Step 3: Cross multiply
   115,492.50x = 240,057 × 240,057
4. Step 4: Simplify right side
   115,492.50x = 57,627,363,249
5. Step 5: Solve for x
   x = 57,627,363,249/115,492.50
6. Step 6: Final answer
   x = 498,970.61