Finding the Third Proportional to 55,959.75 and 85,945.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,959.75 : 85,945.50 = 85,945.50 : x
2. Step 2: Convert to fraction form
   55,959.75/85,945.50 = 85,945.50/x
3. Step 3: Cross multiply
   55,959.75x = 85,945.50 × 85,945.50
4. Step 4: Simplify right side
   55,959.75x = 7,386,628,970.25
5. Step 5: Solve for x
   x = 7,386,628,970.25/55,959.75
6. Step 6: Final answer
   x = 131,998.96