Finding the Third Proportional to 123,018.75 and 169,492.50

Step by Step Solution

1. Step 1: Write the proportion equation
   123,018.75 : 169,492.50 = 169,492.50 : x
2. Step 2: Convert to fraction form
   123,018.75/169,492.50 = 169,492.50/x
3. Step 3: Cross multiply
   123,018.75x = 169,492.50 × 169,492.50
4. Step 4: Simplify right side
   123,018.75x = 28,727,707,556.25
5. Step 5: Solve for x
   x = 28,727,707,556.25/123,018.75
6. Step 6: Final answer
   x = 233,523