Finding the Third Proportional to 8,205,812 and 17,856,508

Step by Step Solution

1. Step 1: Write the proportion equation
   8,205,812 : 17,856,508 = 17,856,508 : x
2. Step 2: Convert to fraction form
   8,205,812/17,856,508 = 17,856,508/x
3. Step 3: Cross multiply
   8,205,812x = 17,856,508 × 17,856,508
4. Step 4: Simplify right side
   8,205,812x = 318,854,877,954,064
5. Step 5: Solve for x
   x = 318,854,877,954,064/8,205,812
6. Step 6: Final answer
   x = 38,857,199.99