Finding the Third Proportional to 8,653,606 and 18,465,456

Step by Step Solution

1. Step 1: Write the proportion equation
   8,653,606 : 18,465,456 = 18,465,456 : x
2. Step 2: Convert to fraction form
   8,653,606/18,465,456 = 18,465,456/x
3. Step 3: Cross multiply
   8,653,606x = 18,465,456 × 18,465,456
4. Step 4: Simplify right side
   8,653,606x = 340,973,065,287,936
5. Step 5: Solve for x
   x = 340,973,065,287,936/8,653,606
6. Step 6: Final answer
   x = 39,402,425.45