Finding the Third Proportional to 428,328 and 952,397.25

Step by Step Solution

1. Step 1: Write the proportion equation
   428,328 : 952,397.25 = 952,397.25 : x
2. Step 2: Convert to fraction form
   428,328/952,397.25 = 952,397.25/x
3. Step 3: Cross multiply
   428,328x = 952,397.25 × 952,397.25
4. Step 4: Simplify right side
   428,328x = 907,060,521,807.56
5. Step 5: Solve for x
   x = 907,060,521,807.56/428,328
6. Step 6: Final answer
   x = 2,117,677.39