Finding the Third Proportional to 22,389 and 31,381.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,389 : 31,381.50 = 31,381.50 : x
2. Step 2: Convert to fraction form
   22,389/31,381.50 = 31,381.50/x
3. Step 3: Cross multiply
   22,389x = 31,381.50 × 31,381.50
4. Step 4: Simplify right side
   22,389x = 984,798,542.25
5. Step 5: Solve for x
   x = 984,798,542.25/22,389
6. Step 6: Final answer
   x = 43,985.82