Finding the Third Proportional to 55,559.50 and 88,260

Step by Step Solution

1. Step 1: Write the proportion equation
   55,559.50 : 88,260 = 88,260 : x
2. Step 2: Convert to fraction form
   55,559.50/88,260 = 88,260/x
3. Step 3: Cross multiply
   55,559.50x = 88,260 × 88,260
4. Step 4: Simplify right side
   55,559.50x = 7,789,827,600
5. Step 5: Solve for x
   x = 7,789,827,600/55,559.50
6. Step 6: Final answer
   x = 140,206.94