Finding the Third Proportional to 8,636,151 and 18,468,045

Step by Step Solution

1. Step 1: Write the proportion equation
   8,636,151 : 18,468,045 = 18,468,045 : x
2. Step 2: Convert to fraction form
   8,636,151/18,468,045 = 18,468,045/x
3. Step 3: Cross multiply
   8,636,151x = 18,468,045 × 18,468,045
4. Step 4: Simplify right side
   8,636,151x = 341,068,686,122,025
5. Step 5: Solve for x
   x = 341,068,686,122,025/8,636,151
6. Step 6: Final answer
   x = 39,493,136.02