Finding the Third Proportional to 20,250 and 42,113.25

Step by Step Solution

1. Step 1: Write the proportion equation
   20,250 : 42,113.25 = 42,113.25 : x
2. Step 2: Convert to fraction form
   20,250/42,113.25 = 42,113.25/x
3. Step 3: Cross multiply
   20,250x = 42,113.25 × 42,113.25
4. Step 4: Simplify right side
   20,250x = 1,773,525,825.56
5. Step 5: Solve for x
   x = 1,773,525,825.56/20,250
6. Step 6: Final answer
   x = 87,581.52