Finding the Third Proportional to 11,491.50 and 18,437.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,491.50 : 18,437.50 = 18,437.50 : x
2. Step 2: Convert to fraction form
   11,491.50/18,437.50 = 18,437.50/x
3. Step 3: Cross multiply
   11,491.50x = 18,437.50 × 18,437.50
4. Step 4: Simplify right side
   11,491.50x = 339,941,406.25
5. Step 5: Solve for x
   x = 339,941,406.25/11,491.50
6. Step 6: Final answer
   x = 29,581.99