Finding the Third Proportional to 77,410.69 and 158,785.31

Step by Step Solution

1. Step 1: Write the proportion equation
   77,410.69 : 158,785.31 = 158,785.31 : x
2. Step 2: Convert to fraction form
   77,410.69/158,785.31 = 158,785.31/x
3. Step 3: Cross multiply
   77,410.69x = 158,785.31 × 158,785.31
4. Step 4: Simplify right side
   77,410.69x = 25,212,775,465.72
5. Step 5: Solve for x
   x = 25,212,775,465.72/77,410.69
6. Step 6: Final answer
   x = 325,701.48