Finding the Third Proportional to 43,021 and 100,542.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,021 : 100,542.50 = 100,542.50 : x
2. Step 2: Convert to fraction form
   43,021/100,542.50 = 100,542.50/x
3. Step 3: Cross multiply
   43,021x = 100,542.50 × 100,542.50
4. Step 4: Simplify right side
   43,021x = 10,108,794,306.25
5. Step 5: Solve for x
   x = 10,108,794,306.25/43,021
6. Step 6: Final answer
   x = 234,973.49