Finding the Third Proportional to 67,155.33 and 91,257.89

Step by Step Solution

1. Step 1: Write the proportion equation
   67,155.33 : 91,257.89 = 91,257.89 : x
2. Step 2: Convert to fraction form
   67,155.33/91,257.89 = 91,257.89/x
3. Step 3: Cross multiply
   67,155.33x = 91,257.89 × 91,257.89
4. Step 4: Simplify right side
   67,155.33x = 8,328,002,601.32
5. Step 5: Solve for x
   x = 8,328,002,601.32/67,155.33
6. Step 6: Final answer
   x = 124,011.05