Finding the Third Proportional to 21,881 and 30,963.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,881 : 30,963.50 = 30,963.50 : x
2. Step 2: Convert to fraction form
   21,881/30,963.50 = 30,963.50/x
3. Step 3: Cross multiply
   21,881x = 30,963.50 × 30,963.50
4. Step 4: Simplify right side
   21,881x = 958,738,332.25
5. Step 5: Solve for x
   x = 958,738,332.25/21,881
6. Step 6: Final answer
   x = 43,816.02