Finding the Third Proportional to 459,085.50 and 712,577.25

Step by Step Solution

1. Step 1: Write the proportion equation
   459,085.50 : 712,577.25 = 712,577.25 : x
2. Step 2: Convert to fraction form
   459,085.50/712,577.25 = 712,577.25/x
3. Step 3: Cross multiply
   459,085.50x = 712,577.25 × 712,577.25
4. Step 4: Simplify right side
   459,085.50x = 507,766,337,217.56
5. Step 5: Solve for x
   x = 507,766,337,217.56/459,085.50
6. Step 6: Final answer
   x = 1,106,038.72