Finding the Third Proportional to 619,929 and 957,517.50

Step by Step Solution

1. Step 1: Write the proportion equation
   619,929 : 957,517.50 = 957,517.50 : x
2. Step 2: Convert to fraction form
   619,929/957,517.50 = 957,517.50/x
3. Step 3: Cross multiply
   619,929x = 957,517.50 × 957,517.50
4. Step 4: Simplify right side
   619,929x = 916,839,762,806.25
5. Step 5: Solve for x
   x = 916,839,762,806.25/619,929
6. Step 6: Final answer
   x = 1,478,943.17