Finding the Third Proportional to 485,947 and 719,355.50

Step by Step Solution

1. Step 1: Write the proportion equation
   485,947 : 719,355.50 = 719,355.50 : x
2. Step 2: Convert to fraction form
   485,947/719,355.50 = 719,355.50/x
3. Step 3: Cross multiply
   485,947x = 719,355.50 × 719,355.50
4. Step 4: Simplify right side
   485,947x = 517,472,335,380.25
5. Step 5: Solve for x
   x = 517,472,335,380.25/485,947
6. Step 6: Final answer
   x = 1,064,874.02