Finding the Third Proportional to 68,569.88 and 91,010.25

Step by Step Solution

1. Step 1: Write the proportion equation
   68,569.88 : 91,010.25 = 91,010.25 : x
2. Step 2: Convert to fraction form
   68,569.88/91,010.25 = 91,010.25/x
3. Step 3: Cross multiply
   68,569.88x = 91,010.25 × 91,010.25
4. Step 4: Simplify right side
   68,569.88x = 8,282,865,605.06
5. Step 5: Solve for x
   x = 8,282,865,605.06/68,569.88
6. Step 6: Final answer
   x = 120,794.53