Finding the Third Proportional to 170,648.25 and 229,726.50

Step by Step Solution

1. Step 1: Write the proportion equation
   170,648.25 : 229,726.50 = 229,726.50 : x
2. Step 2: Convert to fraction form
   170,648.25/229,726.50 = 229,726.50/x
3. Step 3: Cross multiply
   170,648.25x = 229,726.50 × 229,726.50
4. Step 4: Simplify right side
   170,648.25x = 52,774,264,802.25
5. Step 5: Solve for x
   x = 52,774,264,802.25/170,648.25
6. Step 6: Final answer
   x = 309,257.58