Finding the Third Proportional to 21,020 and 43,986.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,020 : 43,986.50 = 43,986.50 : x
2. Step 2: Convert to fraction form
   21,020/43,986.50 = 43,986.50/x
3. Step 3: Cross multiply
   21,020x = 43,986.50 × 43,986.50
4. Step 4: Simplify right side
   21,020x = 1,934,812,182.25
5. Step 5: Solve for x
   x = 1,934,812,182.25/21,020
6. Step 6: Final answer
   x = 92,046.25