Finding the Third Proportional to 20,382 and 42,073.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,382 : 42,073.50 = 42,073.50 : x
2. Step 2: Convert to fraction form
   20,382/42,073.50 = 42,073.50/x
3. Step 3: Cross multiply
   20,382x = 42,073.50 × 42,073.50
4. Step 4: Simplify right side
   20,382x = 1,770,179,402.25
5. Step 5: Solve for x
   x = 1,770,179,402.25/20,382
6. Step 6: Final answer
   x = 86,850.13