Finding the Third Proportional to 108,074.25 and 173,642.06

Step by Step Solution

1. Step 1: Write the proportion equation
   108,074.25 : 173,642.06 = 173,642.06 : x
2. Step 2: Convert to fraction form
   108,074.25/173,642.06 = 173,642.06/x
3. Step 3: Cross multiply
   108,074.25x = 173,642.06 × 173,642.06
4. Step 4: Simplify right side
   108,074.25x = 30,151,565,869.25
5. Step 5: Solve for x
   x = 30,151,565,869.25/108,074.25
6. Step 6: Final answer
   x = 278,989.36