Finding the Third Proportional to 18,901.50 and 31,380

Step by Step Solution

1. Step 1: Write the proportion equation
   18,901.50 : 31,380 = 31,380 : x
2. Step 2: Convert to fraction form
   18,901.50/31,380 = 31,380/x
3. Step 3: Cross multiply
   18,901.50x = 31,380 × 31,380
4. Step 4: Simplify right side
   18,901.50x = 984,704,400
5. Step 5: Solve for x
   x = 984,704,400/18,901.50
6. Step 6: Final answer
   x = 52,096.63