Finding the Third Proportional to 8,205,986 and 17,856,877

Step by Step Solution

1. Step 1: Write the proportion equation
   8,205,986 : 17,856,877 = 17,856,877 : x
2. Step 2: Convert to fraction form
   8,205,986/17,856,877 = 17,856,877/x
3. Step 3: Cross multiply
   8,205,986x = 17,856,877 × 17,856,877
4. Step 4: Simplify right side
   8,205,986x = 318,868,056,193,129
5. Step 5: Solve for x
   x = 318,868,056,193,129/8,205,986
6. Step 6: Final answer
   x = 38,857,981.99