Finding the Third Proportional to 550,612.50 and 807,723

Step by Step Solution

1. Step 1: Write the proportion equation
   550,612.50 : 807,723 = 807,723 : x
2. Step 2: Convert to fraction form
   550,612.50/807,723 = 807,723/x
3. Step 3: Cross multiply
   550,612.50x = 807,723 × 807,723
4. Step 4: Simplify right side
   550,612.50x = 652,416,444,729
5. Step 5: Solve for x
   x = 652,416,444,729/550,612.50
6. Step 6: Final answer
   x = 1,184,892.18