Finding the Third Proportional to 55,559.06 and 88,259.63

Step by Step Solution

1. Step 1: Write the proportion equation
   55,559.06 : 88,259.63 = 88,259.63 : x
2. Step 2: Convert to fraction form
   55,559.06/88,259.63 = 88,259.63/x
3. Step 3: Cross multiply
   55,559.06x = 88,259.63 × 88,259.63
4. Step 4: Simplify right side
   55,559.06x = 7,789,761,405.14
5. Step 5: Solve for x
   x = 7,789,761,405.14/55,559.06
6. Step 6: Final answer
   x = 140,206.85