Finding the Third Proportional to 435,320 and 910,000

Step by Step Solution

1. Step 1: Write the proportion equation
   435,320 : 910,000 = 910,000 : x
2. Step 2: Convert to fraction form
   435,320/910,000 = 910,000/x
3. Step 3: Cross multiply
   435,320x = 910,000 × 910,000
4. Step 4: Simplify right side
   435,320x = 828,100,000,000
5. Step 5: Solve for x
   x = 828,100,000,000/435,320
6. Step 6: Final answer
   x = 1,902,278.78