Finding the Third Proportional to 21,565.50 and 28,983.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,565.50 : 28,983.75 = 28,983.75 : x
2. Step 2: Convert to fraction form
   21,565.50/28,983.75 = 28,983.75/x
3. Step 3: Cross multiply
   21,565.50x = 28,983.75 × 28,983.75
4. Step 4: Simplify right side
   21,565.50x = 840,057,764.06
5. Step 5: Solve for x
   x = 840,057,764.06/21,565.50
6. Step 6: Final answer
   x = 38,953.78