Finding the Third Proportional to 21,008.50 and 28,032.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,008.50 : 28,032.75 = 28,032.75 : x
2. Step 2: Convert to fraction form
   21,008.50/28,032.75 = 28,032.75/x
3. Step 3: Cross multiply
   21,008.50x = 28,032.75 × 28,032.75
4. Step 4: Simplify right side
   21,008.50x = 785,835,072.56
5. Step 5: Solve for x
   x = 785,835,072.56/21,008.50
6. Step 6: Final answer
   x = 37,405.58