Finding the Third Proportional to 21,107 and 49,311.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,107 : 49,311.50 = 49,311.50 : x
2. Step 2: Convert to fraction form
   21,107/49,311.50 = 49,311.50/x
3. Step 3: Cross multiply
   21,107x = 49,311.50 × 49,311.50
4. Step 4: Simplify right side
   21,107x = 2,431,624,032.25
5. Step 5: Solve for x
   x = 2,431,624,032.25/21,107
6. Step 6: Final answer
   x = 115,204.63