Finding the Third Proportional to 3,859,725 and 5,677,320

Step by Step Solution

1. Step 1: Write the proportion equation
   3,859,725 : 5,677,320 = 5,677,320 : x
2. Step 2: Convert to fraction form
   3,859,725/5,677,320 = 5,677,320/x
3. Step 3: Cross multiply
   3,859,725x = 5,677,320 × 5,677,320
4. Step 4: Simplify right side
   3,859,725x = 32,231,962,382,400
5. Step 5: Solve for x
   x = 32,231,962,382,400/3,859,725
6. Step 6: Final answer
   x = 8,350,844.27