Finding the Third Proportional to 27,745.88 and 42,919.88

Step by Step Solution

1. Step 1: Write the proportion equation
   27,745.88 : 42,919.88 = 42,919.88 : x
2. Step 2: Convert to fraction form
   27,745.88/42,919.88 = 42,919.88/x
3. Step 3: Cross multiply
   27,745.88x = 42,919.88 × 42,919.88
4. Step 4: Simplify right side
   27,745.88x = 1,842,115,670.02
5. Step 5: Solve for x
   x = 1,842,115,670.02/27,745.88
6. Step 6: Final answer
   x = 66,392.42