Finding the Third Proportional to 439,512 and 947,280

Step by Step Solution

1. Step 1: Write the proportion equation
   439,512 : 947,280 = 947,280 : x
2. Step 2: Convert to fraction form
   439,512/947,280 = 947,280/x
3. Step 3: Cross multiply
   439,512x = 947,280 × 947,280
4. Step 4: Simplify right side
   439,512x = 897,339,398,400
5. Step 5: Solve for x
   x = 897,339,398,400/439,512
6. Step 6: Final answer
   x = 2,041,672.12