Finding the Third Proportional to 21,157.50 and 50,126.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,157.50 : 50,126.25 = 50,126.25 : x
2. Step 2: Convert to fraction form
   21,157.50/50,126.25 = 50,126.25/x
3. Step 3: Cross multiply
   21,157.50x = 50,126.25 × 50,126.25
4. Step 4: Simplify right side
   21,157.50x = 2,512,640,939.06
5. Step 5: Solve for x
   x = 2,512,640,939.06/21,157.50
6. Step 6: Final answer
   x = 118,758.88