Finding the Third Proportional to 10,757.81 and 15,314.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,757.81 : 15,314.06 = 15,314.06 : x
2. Step 2: Convert to fraction form
   10,757.81/15,314.06 = 15,314.06/x
3. Step 3: Cross multiply
   10,757.81x = 15,314.06 × 15,314.06
4. Step 4: Simplify right side
   10,757.81x = 234,520,510.25
5. Step 5: Solve for x
   x = 234,520,510.25/10,757.81
6. Step 6: Final answer
   x = 21,800.02