Finding the Third Proportional to 60,886.50 and 91,081.50

Step by Step Solution

1. Step 1: Write the proportion equation
   60,886.50 : 91,081.50 = 91,081.50 : x
2. Step 2: Convert to fraction form
   60,886.50/91,081.50 = 91,081.50/x
3. Step 3: Cross multiply
   60,886.50x = 91,081.50 × 91,081.50
4. Step 4: Simplify right side
   60,886.50x = 8,295,839,642.25
5. Step 5: Solve for x
   x = 8,295,839,642.25/60,886.50
6. Step 6: Final answer
   x = 136,250.89