Finding the Third Proportional to 240,061.50 and 517,340

Step by Step Solution

1. Step 1: Write the proportion equation
   240,061.50 : 517,340 = 517,340 : x
2. Step 2: Convert to fraction form
   240,061.50/517,340 = 517,340/x
3. Step 3: Cross multiply
   240,061.50x = 517,340 × 517,340
4. Step 4: Simplify right side
   240,061.50x = 267,640,675,600
5. Step 5: Solve for x
   x = 267,640,675,600/240,061.50
6. Step 6: Final answer
   x = 1,114,883.79