Finding the Third Proportional to 529,426.13 and 810,025.31

Step by Step Solution

1. Step 1: Write the proportion equation
   529,426.13 : 810,025.31 = 810,025.31 : x
2. Step 2: Convert to fraction form
   529,426.13/810,025.31 = 810,025.31/x
3. Step 3: Cross multiply
   529,426.13x = 810,025.31 × 810,025.31
4. Step 4: Simplify right side
   529,426.13x = 656,141,006,890.72
5. Step 5: Solve for x
   x = 656,141,006,890.72/529,426.13
6. Step 6: Final answer
   x = 1,239,343.84