Finding the Third Proportional to 42,743.25 and 88,215.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,743.25 : 88,215.75 = 88,215.75 : x
2. Step 2: Convert to fraction form
   42,743.25/88,215.75 = 88,215.75/x
3. Step 3: Cross multiply
   42,743.25x = 88,215.75 × 88,215.75
4. Step 4: Simplify right side
   42,743.25x = 7,782,018,548.06
5. Step 5: Solve for x
   x = 7,782,018,548.06/42,743.25
6. Step 6: Final answer
   x = 182,064.27