Finding the Third Proportional to 169,018.50 and 253,002.75

Step by Step Solution

1. Step 1: Write the proportion equation
   169,018.50 : 253,002.75 = 253,002.75 : x
2. Step 2: Convert to fraction form
   169,018.50/253,002.75 = 253,002.75/x
3. Step 3: Cross multiply
   169,018.50x = 253,002.75 × 253,002.75
4. Step 4: Simplify right side
   169,018.50x = 64,010,391,507.56
5. Step 5: Solve for x
   x = 64,010,391,507.56/169,018.50
6. Step 6: Final answer
   x = 378,718.26