Finding the Third Proportional to 288,987 and 461,500.50

Step by Step Solution

1. Step 1: Write the proportion equation
   288,987 : 461,500.50 = 461,500.50 : x
2. Step 2: Convert to fraction form
   288,987/461,500.50 = 461,500.50/x
3. Step 3: Cross multiply
   288,987x = 461,500.50 × 461,500.50
4. Step 4: Simplify right side
   288,987x = 212,982,711,500.25
5. Step 5: Solve for x
   x = 212,982,711,500.25/288,987
6. Step 6: Final answer
   x = 736,997.55