Finding the Third Proportional to 8,389,608.75 and 12,955,315.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,389,608.75 : 12,955,315.50 = 12,955,315.50 : x
2. Step 2: Convert to fraction form
   8,389,608.75/12,955,315.50 = 12,955,315.50/x
3. Step 3: Cross multiply
   8,389,608.75x = 12,955,315.50 × 12,955,315.50
4. Step 4: Simplify right side
   8,389,608.75x = 167,840,199,704,540.25
5. Step 5: Solve for x
   x = 167,840,199,704,540.25/8,389,608.75
6. Step 6: Final answer
   x = 20,005,724.31