Finding the Third Proportional to 20,061.38 and 42,360.38

Step by Step Solution

1. Step 1: Write the proportion equation
   20,061.38 : 42,360.38 = 42,360.38 : x
2. Step 2: Convert to fraction form
   20,061.38/42,360.38 = 42,360.38/x
3. Step 3: Cross multiply
   20,061.38x = 42,360.38 × 42,360.38
4. Step 4: Simplify right side
   20,061.38x = 1,794,401,370.14
5. Step 5: Solve for x
   x = 1,794,401,370.14/20,061.38
6. Step 6: Final answer
   x = 89,445.58