Finding the Third Proportional to 11,002.50 and 15,234.75

Step by Step Solution

1. Step 1: Write the proportion equation
   11,002.50 : 15,234.75 = 15,234.75 : x
2. Step 2: Convert to fraction form
   11,002.50/15,234.75 = 15,234.75/x
3. Step 3: Cross multiply
   11,002.50x = 15,234.75 × 15,234.75
4. Step 4: Simplify right side
   11,002.50x = 232,097,607.56
5. Step 5: Solve for x
   x = 232,097,607.56/11,002.50
6. Step 6: Final answer
   x = 21,094.99