Finding the Third Proportional to 424,815 and 651,964.50

Step by Step Solution

1. Step 1: Write the proportion equation
   424,815 : 651,964.50 = 651,964.50 : x
2. Step 2: Convert to fraction form
   424,815/651,964.50 = 651,964.50/x
3. Step 3: Cross multiply
   424,815x = 651,964.50 × 651,964.50
4. Step 4: Simplify right side
   424,815x = 425,057,709,260.25
5. Step 5: Solve for x
   x = 425,057,709,260.25/424,815
6. Step 6: Final answer
   x = 1,000,571.33