Finding the Third Proportional to 8,160,865 and 12,592,417.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,160,865 : 12,592,417.50 = 12,592,417.50 : x
2. Step 2: Convert to fraction form
   8,160,865/12,592,417.50 = 12,592,417.50/x
3. Step 3: Cross multiply
   8,160,865x = 12,592,417.50 × 12,592,417.50
4. Step 4: Simplify right side
   8,160,865x = 158,568,978,494,306.25
5. Step 5: Solve for x
   x = 158,568,978,494,306.25/8,160,865
6. Step 6: Final answer
   x = 19,430,413.14