Finding the Third Proportional to 428,359.50 and 952,456.50

Step by Step Solution

1. Step 1: Write the proportion equation
   428,359.50 : 952,456.50 = 952,456.50 : x
2. Step 2: Convert to fraction form
   428,359.50/952,456.50 = 952,456.50/x
3. Step 3: Cross multiply
   428,359.50x = 952,456.50 × 952,456.50
4. Step 4: Simplify right side
   428,359.50x = 907,173,384,392.25
5. Step 5: Solve for x
   x = 907,173,384,392.25/428,359.50
6. Step 6: Final answer
   x = 2,117,785.14