Finding the Third Proportional to 68,100.75 and 91,023.75

Step by Step Solution

1. Step 1: Write the proportion equation
   68,100.75 : 91,023.75 = 91,023.75 : x
2. Step 2: Convert to fraction form
   68,100.75/91,023.75 = 91,023.75/x
3. Step 3: Cross multiply
   68,100.75x = 91,023.75 × 91,023.75
4. Step 4: Simplify right side
   68,100.75x = 8,285,323,064.06
5. Step 5: Solve for x
   x = 8,285,323,064.06/68,100.75
6. Step 6: Final answer
   x = 121,662.73