Finding the Third Proportional to 828,426 and 1,777,684

Step by Step Solution

1. Step 1: Write the proportion equation
   828,426 : 1,777,684 = 1,777,684 : x
2. Step 2: Convert to fraction form
   828,426/1,777,684 = 1,777,684/x
3. Step 3: Cross multiply
   828,426x = 1,777,684 × 1,777,684
4. Step 4: Simplify right side
   828,426x = 3,160,160,403,856
5. Step 5: Solve for x
   x = 3,160,160,403,856/828,426
6. Step 6: Final answer
   x = 3,814,656.23