Finding the Third Proportional to 66,661.50 and 93,754.50

Step by Step Solution

1. Step 1: Write the proportion equation
   66,661.50 : 93,754.50 = 93,754.50 : x
2. Step 2: Convert to fraction form
   66,661.50/93,754.50 = 93,754.50/x
3. Step 3: Cross multiply
   66,661.50x = 93,754.50 × 93,754.50
4. Step 4: Simplify right side
   66,661.50x = 8,789,906,270.25
5. Step 5: Solve for x
   x = 8,789,906,270.25/66,661.50
6. Step 6: Final answer
   x = 131,858.81