Finding the Third Proportional to 21,010.50 and 28,153.13

Step by Step Solution

1. Step 1: Write the proportion equation
   21,010.50 : 28,153.13 = 28,153.13 : x
2. Step 2: Convert to fraction form
   21,010.50/28,153.13 = 28,153.13/x
3. Step 3: Cross multiply
   21,010.50x = 28,153.13 × 28,153.13
4. Step 4: Simplify right side
   21,010.50x = 792,598,447.27
5. Step 5: Solve for x
   x = 792,598,447.27/21,010.50
6. Step 6: Final answer
   x = 37,723.92