Finding the Third Proportional to 77,399.25 and 158,078.25

Step by Step Solution

1. Step 1: Write the proportion equation
   77,399.25 : 158,078.25 = 158,078.25 : x
2. Step 2: Convert to fraction form
   77,399.25/158,078.25 = 158,078.25/x
3. Step 3: Cross multiply
   77,399.25x = 158,078.25 × 158,078.25
4. Step 4: Simplify right side
   77,399.25x = 24,988,733,123.06
5. Step 5: Solve for x
   x = 24,988,733,123.06/77,399.25
6. Step 6: Final answer
   x = 322,854.98