Finding the Third Proportional to 8,617,585.50 and 13,105,442.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,617,585.50 : 13,105,442.25 = 13,105,442.25 : x
2. Step 2: Convert to fraction form
   8,617,585.50/13,105,442.25 = 13,105,442.25/x
3. Step 3: Cross multiply
   8,617,585.50x = 13,105,442.25 × 13,105,442.25
4. Step 4: Simplify right side
   8,617,585.50x = 171,752,616,568,085.06
5. Step 5: Solve for x
   x = 171,752,616,568,085.06/8,617,585.50
6. Step 6: Final answer
   x = 19,930,480.13