Finding the Third Proportional to 434,956 and 635,650

Step by Step Solution

1. Step 1: Write the proportion equation
   434,956 : 635,650 = 635,650 : x
2. Step 2: Convert to fraction form
   434,956/635,650 = 635,650/x
3. Step 3: Cross multiply
   434,956x = 635,650 × 635,650
4. Step 4: Simplify right side
   434,956x = 404,050,922,500
5. Step 5: Solve for x
   x = 404,050,922,500/434,956
6. Step 6: Final answer
   x = 928,946.66