Finding the Third Proportional to 4,899,904 and 7,156,320

Step by Step Solution

1. Step 1: Write the proportion equation
   4,899,904 : 7,156,320 = 7,156,320 : x
2. Step 2: Convert to fraction form
   4,899,904/7,156,320 = 7,156,320/x
3. Step 3: Cross multiply
   4,899,904x = 7,156,320 × 7,156,320
4. Step 4: Simplify right side
   4,899,904x = 51,212,915,942,400
5. Step 5: Solve for x
   x = 51,212,915,942,400/4,899,904
6. Step 6: Final answer
   x = 10,451,820.27