Finding the Third Proportional to 27,859 and 42,025

Step by Step Solution

1. Step 1: Write the proportion equation
   27,859 : 42,025 = 42,025 : x
2. Step 2: Convert to fraction form
   27,859/42,025 = 42,025/x
3. Step 3: Cross multiply
   27,859x = 42,025 × 42,025
4. Step 4: Simplify right side
   27,859x = 1,766,100,625
5. Step 5: Solve for x
   x = 1,766,100,625/27,859
6. Step 6: Final answer
   x = 63,394.26