Finding the Third Proportional to 3,859,715 and 5,677,306

Step by Step Solution

1. Step 1: Write the proportion equation
   3,859,715 : 5,677,306 = 5,677,306 : x
2. Step 2: Convert to fraction form
   3,859,715/5,677,306 = 5,677,306/x
3. Step 3: Cross multiply
   3,859,715x = 5,677,306 × 5,677,306
4. Step 4: Simplify right side
   3,859,715x = 32,231,803,417,636
5. Step 5: Solve for x
   x = 32,231,803,417,636/3,859,715
6. Step 6: Final answer
   x = 8,350,824.72