Finding the Third Proportional to 550,614 and 807,724.50

Step by Step Solution

1. Step 1: Write the proportion equation
   550,614 : 807,724.50 = 807,724.50 : x
2. Step 2: Convert to fraction form
   550,614/807,724.50 = 807,724.50/x
3. Step 3: Cross multiply
   550,614x = 807,724.50 × 807,724.50
4. Step 4: Simplify right side
   550,614x = 652,418,867,900.25
5. Step 5: Solve for x
   x = 652,418,867,900.25/550,614
6. Step 6: Final answer
   x = 1,184,893.35