Finding the Third Proportional to 456,340.50 and 709,398

Step by Step Solution

1. Step 1: Write the proportion equation
   456,340.50 : 709,398 = 709,398 : x
2. Step 2: Convert to fraction form
   456,340.50/709,398 = 709,398/x
3. Step 3: Cross multiply
   456,340.50x = 709,398 × 709,398
4. Step 4: Simplify right side
   456,340.50x = 503,245,522,404
5. Step 5: Solve for x
   x = 503,245,522,404/456,340.50
6. Step 6: Final answer
   x = 1,102,785.14