Finding the Third Proportional to 478,792.50 and 723,899.25

Step by Step Solution

1. Step 1: Write the proportion equation
   478,792.50 : 723,899.25 = 723,899.25 : x
2. Step 2: Convert to fraction form
   478,792.50/723,899.25 = 723,899.25/x
3. Step 3: Cross multiply
   478,792.50x = 723,899.25 × 723,899.25
4. Step 4: Simplify right side
   478,792.50x = 524,030,124,150.56
5. Step 5: Solve for x
   x = 524,030,124,150.56/478,792.50
6. Step 6: Final answer
   x = 1,094,482.73