Finding the Third Proportional to 819,262 and 1,677,890

Step by Step Solution

1. Step 1: Write the proportion equation
   819,262 : 1,677,890 = 1,677,890 : x
2. Step 2: Convert to fraction form
   819,262/1,677,890 = 1,677,890/x
3. Step 3: Cross multiply
   819,262x = 1,677,890 × 1,677,890
4. Step 4: Simplify right side
   819,262x = 2,815,314,852,100
5. Step 5: Solve for x
   x = 2,815,314,852,100/819,262
6. Step 6: Final answer
   x = 3,436,403.56