Finding the Third Proportional to 479,518.50 and 715,995

Step by Step Solution

1. Step 1: Write the proportion equation
   479,518.50 : 715,995 = 715,995 : x
2. Step 2: Convert to fraction form
   479,518.50/715,995 = 715,995/x
3. Step 3: Cross multiply
   479,518.50x = 715,995 × 715,995
4. Step 4: Simplify right side
   479,518.50x = 512,648,840,025
5. Step 5: Solve for x
   x = 512,648,840,025/479,518.50
6. Step 6: Final answer
   x = 1,069,090.85