Finding the Third Proportional to 529,650 and 810,373.50

Step by Step Solution

1. Step 1: Write the proportion equation
   529,650 : 810,373.50 = 810,373.50 : x
2. Step 2: Convert to fraction form
   529,650/810,373.50 = 810,373.50/x
3. Step 3: Cross multiply
   529,650x = 810,373.50 × 810,373.50
4. Step 4: Simplify right side
   529,650x = 656,705,209,502.25
5. Step 5: Solve for x
   x = 656,705,209,502.25/529,650
6. Step 6: Final answer
   x = 1,239,885.23