Finding the Third Proportional to 424,983 and 663,322.50

Step by Step Solution

1. Step 1: Write the proportion equation
   424,983 : 663,322.50 = 663,322.50 : x
2. Step 2: Convert to fraction form
   424,983/663,322.50 = 663,322.50/x
3. Step 3: Cross multiply
   424,983x = 663,322.50 × 663,322.50
4. Step 4: Simplify right side
   424,983x = 439,996,739,006.25
5. Step 5: Solve for x
   x = 439,996,739,006.25/424,983
6. Step 6: Final answer
   x = 1,035,327.86