Finding the Third Proportional to 3,418,720 and 7,472,488

Step by Step Solution

1. Step 1: Write the proportion equation
   3,418,720 : 7,472,488 = 7,472,488 : x
2. Step 2: Convert to fraction form
   3,418,720/7,472,488 = 7,472,488/x
3. Step 3: Cross multiply
   3,418,720x = 7,472,488 × 7,472,488
4. Step 4: Simplify right side
   3,418,720x = 55,838,076,910,144
5. Step 5: Solve for x
   x = 55,838,076,910,144/3,418,720
6. Step 6: Final answer
   x = 16,333,036.02