Finding the Third Proportional to 428,749 and 914,454

Step by Step Solution

1. Step 1: Write the proportion equation
   428,749 : 914,454 = 914,454 : x
2. Step 2: Convert to fraction form
   428,749/914,454 = 914,454/x
3. Step 3: Cross multiply
   428,749x = 914,454 × 914,454
4. Step 4: Simplify right side
   428,749x = 836,226,118,116
5. Step 5: Solve for x
   x = 836,226,118,116/428,749
6. Step 6: Final answer
   x = 1,950,386.17