Finding the Third Proportional to 169,538 and 262,279.25

Step by Step Solution

1. Step 1: Write the proportion equation
   169,538 : 262,279.25 = 262,279.25 : x
2. Step 2: Convert to fraction form
   169,538/262,279.25 = 262,279.25/x
3. Step 3: Cross multiply
   169,538x = 262,279.25 × 262,279.25
4. Step 4: Simplify right side
   169,538x = 68,790,404,980.56
5. Step 5: Solve for x
   x = 68,790,404,980.56/169,538
6. Step 6: Final answer
   x = 405,752.13