Finding the Third Proportional to 131,036 and 197,640

Step by Step Solution

1. Step 1: Write the proportion equation
   131,036 : 197,640 = 197,640 : x
2. Step 2: Convert to fraction form
   131,036/197,640 = 197,640/x
3. Step 3: Cross multiply
   131,036x = 197,640 × 197,640
4. Step 4: Simplify right side
   131,036x = 39,061,569,600
5. Step 5: Solve for x
   x = 39,061,569,600/131,036
6. Step 6: Final answer
   x = 298,098.00