Finding the Third Proportional to 42,006 and 56,049

Step by Step Solution

1. Step 1: Write the proportion equation
   42,006 : 56,049 = 56,049 : x
2. Step 2: Convert to fraction form
   42,006/56,049 = 56,049/x
3. Step 3: Cross multiply
   42,006x = 56,049 × 56,049
4. Step 4: Simplify right side
   42,006x = 3,141,490,401
5. Step 5: Solve for x
   x = 3,141,490,401/42,006
6. Step 6: Final answer
   x = 74,786.71