Finding the Third Proportional to 3,600,500 and 8,499,320

Step by Step Solution

1. Step 1: Write the proportion equation
   3,600,500 : 8,499,320 = 8,499,320 : x
2. Step 2: Convert to fraction form
   3,600,500/8,499,320 = 8,499,320/x
3. Step 3: Cross multiply
   3,600,500x = 8,499,320 × 8,499,320
4. Step 4: Simplify right side
   3,600,500x = 72,238,440,462,400
5. Step 5: Solve for x
   x = 72,238,440,462,400/3,600,500
6. Step 6: Final answer
   x = 20,063,446.87