Finding the Third Proportional to 10,087 and 21,375.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,087 : 21,375.50 = 21,375.50 : x
2. Step 2: Convert to fraction form
   10,087/21,375.50 = 21,375.50/x
3. Step 3: Cross multiply
   10,087x = 21,375.50 × 21,375.50
4. Step 4: Simplify right side
   10,087x = 456,912,000.25
5. Step 5: Solve for x
   x = 456,912,000.25/10,087
6. Step 6: Final answer
   x = 45,297.12