Finding the Third Proportional to 627,478 and 969,560

Step by Step Solution

1. Step 1: Write the proportion equation
   627,478 : 969,560 = 969,560 : x
2. Step 2: Convert to fraction form
   627,478/969,560 = 969,560/x
3. Step 3: Cross multiply
   627,478x = 969,560 × 969,560
4. Step 4: Simplify right side
   627,478x = 940,046,593,600
5. Step 5: Solve for x
   x = 940,046,593,600/627,478
6. Step 6: Final answer
   x = 1,498,134.75