Finding the Third Proportional to 65,359.41 and 138,568.38

Step by Step Solution

1. Step 1: Write the proportion equation
   65,359.41 : 138,568.38 = 138,568.38 : x
2. Step 2: Convert to fraction form
   65,359.41/138,568.38 = 138,568.38/x
3. Step 3: Cross multiply
   65,359.41x = 138,568.38 × 138,568.38
4. Step 4: Simplify right side
   65,359.41x = 19,201,195,091.42
5. Step 5: Solve for x
   x = 19,201,195,091.42/65,359.41
6. Step 6: Final answer
   x = 293,778.60