Finding the Third Proportional to 710,771 and 1,677,890

Step by Step Solution

1. Step 1: Write the proportion equation
   710,771 : 1,677,890 = 1,677,890 : x
2. Step 2: Convert to fraction form
   710,771/1,677,890 = 1,677,890/x
3. Step 3: Cross multiply
   710,771x = 1,677,890 × 1,677,890
4. Step 4: Simplify right side
   710,771x = 2,815,314,852,100
5. Step 5: Solve for x
   x = 2,815,314,852,100/710,771
6. Step 6: Final answer
   x = 3,960,930.95