Finding the Third Proportional to 21,156.75 and 50,124.38

Step by Step Solution

1. Step 1: Write the proportion equation
   21,156.75 : 50,124.38 = 50,124.38 : x
2. Step 2: Convert to fraction form
   21,156.75/50,124.38 = 50,124.38/x
3. Step 3: Cross multiply
   21,156.75x = 50,124.38 × 50,124.38
4. Step 4: Simplify right side
   21,156.75x = 2,512,452,969.14
5. Step 5: Solve for x
   x = 2,512,452,969.14/21,156.75
6. Step 6: Final answer
   x = 118,754.20