Finding the Third Proportional to 8,636,474 and 18,468,796

Step by Step Solution

1. Step 1: Write the proportion equation
   8,636,474 : 18,468,796 = 18,468,796 : x
2. Step 2: Convert to fraction form
   8,636,474/18,468,796 = 18,468,796/x
3. Step 3: Cross multiply
   8,636,474x = 18,468,796 × 18,468,796
4. Step 4: Simplify right side
   8,636,474x = 341,096,425,689,616
5. Step 5: Solve for x
   x = 341,096,425,689,616/8,636,474
6. Step 6: Final answer
   x = 39,494,870.90