Finding the Third Proportional to 12,338,565 and 18,435,269.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,338,565 : 18,435,269.50 = 18,435,269.50 : x
2. Step 2: Convert to fraction form
   12,338,565/18,435,269.50 = 18,435,269.50/x
3. Step 3: Cross multiply
   12,338,565x = 18,435,269.50 × 18,435,269.50
4. Step 4: Simplify right side
   12,338,565x = 339,859,161,537,630.25
5. Step 5: Solve for x
   x = 339,859,161,537,630.25/12,338,565
6. Step 6: Final answer
   x = 27,544,464.17