Finding the Third Proportional to 55,171.13 and 85,583.25

Step by Step Solution

1. Step 1: Write the proportion equation
   55,171.13 : 85,583.25 = 85,583.25 : x
2. Step 2: Convert to fraction form
   55,171.13/85,583.25 = 85,583.25/x
3. Step 3: Cross multiply
   55,171.13x = 85,583.25 × 85,583.25
4. Step 4: Simplify right side
   55,171.13x = 7,324,492,680.56
5. Step 5: Solve for x
   x = 7,324,492,680.56/55,171.13
6. Step 6: Final answer
   x = 132,759.53