Finding the Third Proportional to 207,279 and 314,016.75

Step by Step Solution

1. Step 1: Write the proportion equation
   207,279 : 314,016.75 = 314,016.75 : x
2. Step 2: Convert to fraction form
   207,279/314,016.75 = 314,016.75/x
3. Step 3: Cross multiply
   207,279x = 314,016.75 × 314,016.75
4. Step 4: Simplify right side
   207,279x = 98,606,519,280.56
5. Step 5: Solve for x
   x = 98,606,519,280.56/207,279
6. Step 6: Final answer
   x = 475,718.81