Finding the Third Proportional to 42,107 and 90,049

Step by Step Solution

1. Step 1: Write the proportion equation
   42,107 : 90,049 = 90,049 : x
2. Step 2: Convert to fraction form
   42,107/90,049 = 90,049/x
3. Step 3: Cross multiply
   42,107x = 90,049 × 90,049
4. Step 4: Simplify right side
   42,107x = 8,108,822,401
5. Step 5: Solve for x
   x = 8,108,822,401/42,107
6. Step 6: Final answer
   x = 192,576.59