Finding the Third Proportional to 687,899 and 934,150

Step by Step Solution

1. Step 1: Write the proportion equation
   687,899 : 934,150 = 934,150 : x
2. Step 2: Convert to fraction form
   687,899/934,150 = 934,150/x
3. Step 3: Cross multiply
   687,899x = 934,150 × 934,150
4. Step 4: Simplify right side
   687,899x = 872,636,222,500
5. Step 5: Solve for x
   x = 872,636,222,500/687,899
6. Step 6: Final answer
   x = 1,268,552.83