Finding the Third Proportional to 3,479,884 and 7,377,560

Step by Step Solution

1. Step 1: Write the proportion equation
   3,479,884 : 7,377,560 = 7,377,560 : x
2. Step 2: Convert to fraction form
   3,479,884/7,377,560 = 7,377,560/x
3. Step 3: Cross multiply
   3,479,884x = 7,377,560 × 7,377,560
4. Step 4: Simplify right side
   3,479,884x = 54,428,391,553,600
5. Step 5: Solve for x
   x = 54,428,391,553,600/3,479,884
6. Step 6: Final answer
   x = 15,640,863.76