Finding the Third Proportional to 132,076.50 and 200,640

Step by Step Solution

1. Step 1: Write the proportion equation
   132,076.50 : 200,640 = 200,640 : x
2. Step 2: Convert to fraction form
   132,076.50/200,640 = 200,640/x
3. Step 3: Cross multiply
   132,076.50x = 200,640 × 200,640
4. Step 4: Simplify right side
   132,076.50x = 40,256,409,600
5. Step 5: Solve for x
   x = 40,256,409,600/132,076.50
6. Step 6: Final answer
   x = 304,796.16