Finding the Third Proportional to 16,998 and 26,845.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,998 : 26,845.50 = 26,845.50 : x
2. Step 2: Convert to fraction form
   16,998/26,845.50 = 26,845.50/x
3. Step 3: Cross multiply
   16,998x = 26,845.50 × 26,845.50
4. Step 4: Simplify right side
   16,998x = 720,680,870.25
5. Step 5: Solve for x
   x = 720,680,870.25/16,998
6. Step 6: Final answer
   x = 42,397.98