Finding the Third Proportional to 15,693.75 and 21,323.25

Step by Step Solution

1. Step 1: Write the proportion equation
   15,693.75 : 21,323.25 = 21,323.25 : x
2. Step 2: Convert to fraction form
   15,693.75/21,323.25 = 21,323.25/x
3. Step 3: Cross multiply
   15,693.75x = 21,323.25 × 21,323.25
4. Step 4: Simplify right side
   15,693.75x = 454,680,990.56
5. Step 5: Solve for x
   x = 454,680,990.56/15,693.75
6. Step 6: Final answer
   x = 28,972.11