Finding the Third Proportional to 434,414 and 636,093

Step by Step Solution

1. Step 1: Write the proportion equation
   434,414 : 636,093 = 636,093 : x
2. Step 2: Convert to fraction form
   434,414/636,093 = 636,093/x
3. Step 3: Cross multiply
   434,414x = 636,093 × 636,093
4. Step 4: Simplify right side
   434,414x = 404,614,304,649
5. Step 5: Solve for x
   x = 404,614,304,649/434,414
6. Step 6: Final answer
   x = 931,402.54