Finding the Third Proportional to 15,123 and 32,190

Step by Step Solution

1. Step 1: Write the proportion equation
   15,123 : 32,190 = 32,190 : x
2. Step 2: Convert to fraction form
   15,123/32,190 = 32,190/x
3. Step 3: Cross multiply
   15,123x = 32,190 × 32,190
4. Step 4: Simplify right side
   15,123x = 1,036,196,100
5. Step 5: Solve for x
   x = 1,036,196,100/15,123
6. Step 6: Final answer
   x = 68,517.89