Finding the Third Proportional to 3,899,833.50 and 8,695,860

Step by Step Solution

1. Step 1: Write the proportion equation
   3,899,833.50 : 8,695,860 = 8,695,860 : x
2. Step 2: Convert to fraction form
   3,899,833.50/8,695,860 = 8,695,860/x
3. Step 3: Cross multiply
   3,899,833.50x = 8,695,860 × 8,695,860
4. Step 4: Simplify right side
   3,899,833.50x = 75,617,981,139,600
5. Step 5: Solve for x
   x = 75,617,981,139,600/3,899,833.50
6. Step 6: Final answer
   x = 19,390,053.74