Finding the Third Proportional to 3,479,880 and 7,377,552

Step by Step Solution

1. Step 1: Write the proportion equation
   3,479,880 : 7,377,552 = 7,377,552 : x
2. Step 2: Convert to fraction form
   3,479,880/7,377,552 = 7,377,552/x
3. Step 3: Cross multiply
   3,479,880x = 7,377,552 × 7,377,552
4. Step 4: Simplify right side
   3,479,880x = 54,428,273,512,704
5. Step 5: Solve for x
   x = 54,428,273,512,704/3,479,880
6. Step 6: Final answer
   x = 15,640,847.82