Finding the Third Proportional to 715,311 and 1,002,577.50

Step by Step Solution

1. Step 1: Write the proportion equation
   715,311 : 1,002,577.50 = 1,002,577.50 : x
2. Step 2: Convert to fraction form
   715,311/1,002,577.50 = 1,002,577.50/x
3. Step 3: Cross multiply
   715,311x = 1,002,577.50 × 1,002,577.50
4. Step 4: Simplify right side
   715,311x = 1,005,161,643,506.25
5. Step 5: Solve for x
   x = 1,005,161,643,506.25/715,311
6. Step 6: Final answer
   x = 1,405,209.26