Finding the Third Proportional to 90,670 and 140,741

Step by Step Solution

1. Step 1: Write the proportion equation
   90,670 : 140,741 = 140,741 : x
2. Step 2: Convert to fraction form
   90,670/140,741 = 140,741/x
3. Step 3: Cross multiply
   90,670x = 140,741 × 140,741
4. Step 4: Simplify right side
   90,670x = 19,808,029,081
5. Step 5: Solve for x
   x = 19,808,029,081/90,670
6. Step 6: Final answer
   x = 218,462.88