Finding the Third Proportional to 47,491.50 and 71,328

Step by Step Solution

1. Step 1: Write the proportion equation
   47,491.50 : 71,328 = 71,328 : x
2. Step 2: Convert to fraction form
   47,491.50/71,328 = 71,328/x
3. Step 3: Cross multiply
   47,491.50x = 71,328 × 71,328
4. Step 4: Simplify right side
   47,491.50x = 5,087,683,584
5. Step 5: Solve for x
   x = 5,087,683,584/47,491.50
6. Step 6: Final answer
   x = 107,128.30