Finding the Third Proportional to 27,780.19 and 43,080.75

Step by Step Solution

1. Step 1: Write the proportion equation
   27,780.19 : 43,080.75 = 43,080.75 : x
2. Step 2: Convert to fraction form
   27,780.19/43,080.75 = 43,080.75/x
3. Step 3: Cross multiply
   27,780.19x = 43,080.75 × 43,080.75
4. Step 4: Simplify right side
   27,780.19x = 1,855,951,020.56
5. Step 5: Solve for x
   x = 1,855,951,020.56/27,780.19
6. Step 6: Final answer
   x = 66,808.44