Finding the Third Proportional to 21,631.50 and 31,943.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,631.50 : 31,943.25 = 31,943.25 : x
2. Step 2: Convert to fraction form
   21,631.50/31,943.25 = 31,943.25/x
3. Step 3: Cross multiply
   21,631.50x = 31,943.25 × 31,943.25
4. Step 4: Simplify right side
   21,631.50x = 1,020,371,220.56
5. Step 5: Solve for x
   x = 1,020,371,220.56/21,631.50
6. Step 6: Final answer
   x = 47,170.62