Finding the Third Proportional to 428,976 and 914,949

Step by Step Solution

1. Step 1: Write the proportion equation
   428,976 : 914,949 = 914,949 : x
2. Step 2: Convert to fraction form
   428,976/914,949 = 914,949/x
3. Step 3: Cross multiply
   428,976x = 914,949 × 914,949
4. Step 4: Simplify right side
   428,976x = 837,131,672,601
5. Step 5: Solve for x
   x = 837,131,672,601/428,976
6. Step 6: Final answer
   x = 1,951,465.05