Finding the Third Proportional to 45,013.50 and 60,405.75

Step by Step Solution

1. Step 1: Write the proportion equation
   45,013.50 : 60,405.75 = 60,405.75 : x
2. Step 2: Convert to fraction form
   45,013.50/60,405.75 = 60,405.75/x
3. Step 3: Cross multiply
   45,013.50x = 60,405.75 × 60,405.75
4. Step 4: Simplify right side
   45,013.50x = 3,648,854,633.06
5. Step 5: Solve for x
   x = 3,648,854,633.06/45,013.50
6. Step 6: Final answer
   x = 81,061.34