Finding the Third Proportional to 647,232 and 1,418,880

Step by Step Solution

1. Step 1: Write the proportion equation
   647,232 : 1,418,880 = 1,418,880 : x
2. Step 2: Convert to fraction form
   647,232/1,418,880 = 1,418,880/x
3. Step 3: Cross multiply
   647,232x = 1,418,880 × 1,418,880
4. Step 4: Simplify right side
   647,232x = 2,013,220,454,400
5. Step 5: Solve for x
   x = 2,013,220,454,400/647,232
6. Step 6: Final answer
   x = 3,110,508.22