Finding the Third Proportional to 315,133.50 and 453,016.50

Step by Step Solution

1. Step 1: Write the proportion equation
   315,133.50 : 453,016.50 = 453,016.50 : x
2. Step 2: Convert to fraction form
   315,133.50/453,016.50 = 453,016.50/x
3. Step 3: Cross multiply
   315,133.50x = 453,016.50 × 453,016.50
4. Step 4: Simplify right side
   315,133.50x = 205,223,949,272.25
5. Step 5: Solve for x
   x = 205,223,949,272.25/315,133.50
6. Step 6: Final answer
   x = 651,228.60