Finding the Third Proportional to 10,619.25 and 16,870.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,619.25 : 16,870.50 = 16,870.50 : x
2. Step 2: Convert to fraction form
   10,619.25/16,870.50 = 16,870.50/x
3. Step 3: Cross multiply
   10,619.25x = 16,870.50 × 16,870.50
4. Step 4: Simplify right side
   10,619.25x = 284,613,770.25
5. Step 5: Solve for x
   x = 284,613,770.25/10,619.25
6. Step 6: Final answer
   x = 26,801.68