Finding the Third Proportional to 73,910.25 and 162,128.25

Step by Step Solution

1. Step 1: Write the proportion equation
   73,910.25 : 162,128.25 = 162,128.25 : x
2. Step 2: Convert to fraction form
   73,910.25/162,128.25 = 162,128.25/x
3. Step 3: Cross multiply
   73,910.25x = 162,128.25 × 162,128.25
4. Step 4: Simplify right side
   73,910.25x = 26,285,569,448.06
5. Step 5: Solve for x
   x = 26,285,569,448.06/73,910.25
6. Step 6: Final answer
   x = 355,641.73