Finding the Third Proportional to 315,966 and 484,507.50

Step by Step Solution

1. Step 1: Write the proportion equation
   315,966 : 484,507.50 = 484,507.50 : x
2. Step 2: Convert to fraction form
   315,966/484,507.50 = 484,507.50/x
3. Step 3: Cross multiply
   315,966x = 484,507.50 × 484,507.50
4. Step 4: Simplify right side
   315,966x = 234,747,517,556.25
5. Step 5: Solve for x
   x = 234,747,517,556.25/315,966
6. Step 6: Final answer
   x = 742,951.83