Finding the Third Proportional to 13,491.56 and 31,510.69

Step by Step Solution

1. Step 1: Write the proportion equation
   13,491.56 : 31,510.69 = 31,510.69 : x
2. Step 2: Convert to fraction form
   13,491.56/31,510.69 = 31,510.69/x
3. Step 3: Cross multiply
   13,491.56x = 31,510.69 × 31,510.69
4. Step 4: Simplify right side
   13,491.56x = 992,923,426.72
5. Step 5: Solve for x
   x = 992,923,426.72/13,491.56
6. Step 6: Final answer
   x = 73,595.88