Finding the Third Proportional to 529,711.50 and 806,808

Step by Step Solution

1. Step 1: Write the proportion equation
   529,711.50 : 806,808 = 806,808 : x
2. Step 2: Convert to fraction form
   529,711.50/806,808 = 806,808/x
3. Step 3: Cross multiply
   529,711.50x = 806,808 × 806,808
4. Step 4: Simplify right side
   529,711.50x = 650,939,148,864
5. Step 5: Solve for x
   x = 650,939,148,864/529,711.50
6. Step 6: Final answer
   x = 1,228,855.99