Finding the Third Proportional to 16,870.50 and 26,190

Step by Step Solution

1. Step 1: Write the proportion equation
   16,870.50 : 26,190 = 26,190 : x
2. Step 2: Convert to fraction form
   16,870.50/26,190 = 26,190/x
3. Step 3: Cross multiply
   16,870.50x = 26,190 × 26,190
4. Step 4: Simplify right side
   16,870.50x = 685,916,100
5. Step 5: Solve for x
   x = 685,916,100/16,870.50
6. Step 6: Final answer
   x = 40,657.72