Finding the Third Proportional to 15,004.50 and 21,612.75

Step by Step Solution

1. Step 1: Write the proportion equation
   15,004.50 : 21,612.75 = 21,612.75 : x
2. Step 2: Convert to fraction form
   15,004.50/21,612.75 = 21,612.75/x
3. Step 3: Cross multiply
   15,004.50x = 21,612.75 × 21,612.75
4. Step 4: Simplify right side
   15,004.50x = 467,110,962.56
5. Step 5: Solve for x
   x = 467,110,962.56/15,004.50
6. Step 6: Final answer
   x = 31,131.39