Finding the Third Proportional to 20,443.13 and 55,081.88

Step by Step Solution

1. Step 1: Write the proportion equation
   20,443.13 : 55,081.88 = 55,081.88 : x
2. Step 2: Convert to fraction form
   20,443.13/55,081.88 = 55,081.88/x
3. Step 3: Cross multiply
   20,443.13x = 55,081.88 × 55,081.88
4. Step 4: Simplify right side
   20,443.13x = 3,034,012,953.52
5. Step 5: Solve for x
   x = 3,034,012,953.52/20,443.13
6. Step 6: Final answer
   x = 148,412.39