Finding the Third Proportional to 131,140 and 196,838

Step by Step Solution

1. Step 1: Write the proportion equation
   131,140 : 196,838 = 196,838 : x
2. Step 2: Convert to fraction form
   131,140/196,838 = 196,838/x
3. Step 3: Cross multiply
   131,140x = 196,838 × 196,838
4. Step 4: Simplify right side
   131,140x = 38,745,198,244
5. Step 5: Solve for x
   x = 38,745,198,244/131,140
6. Step 6: Final answer
   x = 295,449.12