Finding the Third Proportional to 21,136.50 and 31,092.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,136.50 : 31,092.75 = 31,092.75 : x
2. Step 2: Convert to fraction form
   21,136.50/31,092.75 = 31,092.75/x
3. Step 3: Cross multiply
   21,136.50x = 31,092.75 × 31,092.75
4. Step 4: Simplify right side
   21,136.50x = 966,759,102.56
5. Step 5: Solve for x
   x = 966,759,102.56/21,136.50
6. Step 6: Final answer
   x = 45,738.85