Finding the Third Proportional to 3,488,988 and 7,392,324

Step by Step Solution

1. Step 1: Write the proportion equation
   3,488,988 : 7,392,324 = 7,392,324 : x
2. Step 2: Convert to fraction form
   3,488,988/7,392,324 = 7,392,324/x
3. Step 3: Cross multiply
   3,488,988x = 7,392,324 × 7,392,324
4. Step 4: Simplify right side
   3,488,988x = 54,646,454,120,976
5. Step 5: Solve for x
   x = 54,646,454,120,976/3,488,988
6. Step 6: Final answer
   x = 15,662,551.47