Finding the Third Proportional to 627,512 and 947,180

Step by Step Solution

1. Step 1: Write the proportion equation
   627,512 : 947,180 = 947,180 : x
2. Step 2: Convert to fraction form
   627,512/947,180 = 947,180/x
3. Step 3: Cross multiply
   627,512x = 947,180 × 947,180
4. Step 4: Simplify right side
   627,512x = 897,149,952,400
5. Step 5: Solve for x
   x = 897,149,952,400/627,512
6. Step 6: Final answer
   x = 1,429,693.70