Finding the Third Proportional to 10,444.50 and 15,090.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,444.50 : 15,090.75 = 15,090.75 : x
2. Step 2: Convert to fraction form
   10,444.50/15,090.75 = 15,090.75/x
3. Step 3: Cross multiply
   10,444.50x = 15,090.75 × 15,090.75
4. Step 4: Simplify right side
   10,444.50x = 227,730,735.56
5. Step 5: Solve for x
   x = 227,730,735.56/10,444.50
6. Step 6: Final answer
   x = 21,803.89