Finding the Third Proportional to 3,899,846 and 8,695,884

Step by Step Solution

1. Step 1: Write the proportion equation
   3,899,846 : 8,695,884 = 8,695,884 : x
2. Step 2: Convert to fraction form
   3,899,846/8,695,884 = 8,695,884/x
3. Step 3: Cross multiply
   3,899,846x = 8,695,884 × 8,695,884
4. Step 4: Simplify right side
   3,899,846x = 75,618,398,541,456
5. Step 5: Solve for x
   x = 75,618,398,541,456/3,899,846
6. Step 6: Final answer
   x = 19,390,098.62