Finding the Third Proportional to 687,895 and 934,144

Step by Step Solution

1. Step 1: Write the proportion equation
   687,895 : 934,144 = 934,144 : x
2. Step 2: Convert to fraction form
   687,895/934,144 = 934,144/x
3. Step 3: Cross multiply
   687,895x = 934,144 × 934,144
4. Step 4: Simplify right side
   687,895x = 872,625,012,736
5. Step 5: Solve for x
   x = 872,625,012,736/687,895
6. Step 6: Final answer
   x = 1,268,543.91