Finding the Third Proportional to 15,045.75 and 21,373.88

Step by Step Solution

1. Step 1: Write the proportion equation
   15,045.75 : 21,373.88 = 21,373.88 : x
2. Step 2: Convert to fraction form
   15,045.75/21,373.88 = 21,373.88/x
3. Step 3: Cross multiply
   15,045.75x = 21,373.88 × 21,373.88
4. Step 4: Simplify right side
   15,045.75x = 456,842,532.52
5. Step 5: Solve for x
   x = 456,842,532.52/15,045.75
6. Step 6: Final answer
   x = 30,363.56