Finding the Third Proportional to 424,878 and 924,684

Step by Step Solution

1. Step 1: Write the proportion equation
   424,878 : 924,684 = 924,684 : x
2. Step 2: Convert to fraction form
   424,878/924,684 = 924,684/x
3. Step 3: Cross multiply
   424,878x = 924,684 × 924,684
4. Step 4: Simplify right side
   424,878x = 855,040,499,856
5. Step 5: Solve for x
   x = 855,040,499,856/424,878
6. Step 6: Final answer
   x = 2,012,437.69