Finding the Third Proportional to 8,636,128.88 and 18,468,000

Step by Step Solution

1. Step 1: Write the proportion equation
   8,636,128.88 : 18,468,000 = 18,468,000 : x
2. Step 2: Convert to fraction form
   8,636,128.88/18,468,000 = 18,468,000/x
3. Step 3: Cross multiply
   8,636,128.88x = 18,468,000 × 18,468,000
4. Step 4: Simplify right side
   8,636,128.88x = 341,067,024,000,000
5. Step 5: Solve for x
   x = 341,067,024,000,000/8,636,128.88
6. Step 6: Final answer
   x = 39,493,044.74