Finding the Third Proportional to 91,469 and 140,849

Step by Step Solution

1. Step 1: Write the proportion equation
   91,469 : 140,849 = 140,849 : x
2. Step 2: Convert to fraction form
   91,469/140,849 = 140,849/x
3. Step 3: Cross multiply
   91,469x = 140,849 × 140,849
4. Step 4: Simplify right side
   91,469x = 19,838,440,801
5. Step 5: Solve for x
   x = 19,838,440,801/91,469
6. Step 6: Final answer
   x = 216,887.04