Finding the Third Proportional to 81,101.25 and 173,410.88

Step by Step Solution

1. Step 1: Write the proportion equation
   81,101.25 : 173,410.88 = 173,410.88 : x
2. Step 2: Convert to fraction form
   81,101.25/173,410.88 = 173,410.88/x
3. Step 3: Cross multiply
   81,101.25x = 173,410.88 × 173,410.88
4. Step 4: Simplify right side
   81,101.25x = 30,071,331,568.27
5. Step 5: Solve for x
   x = 30,071,331,568.27/81,101.25
6. Step 6: Final answer
   x = 370,787.52