Finding the Third Proportional to 710,766 and 1,677,870

Step by Step Solution

1. Step 1: Write the proportion equation
   710,766 : 1,677,870 = 1,677,870 : x
2. Step 2: Convert to fraction form
   710,766/1,677,870 = 1,677,870/x
3. Step 3: Cross multiply
   710,766x = 1,677,870 × 1,677,870
4. Step 4: Simplify right side
   710,766x = 2,815,247,736,900
5. Step 5: Solve for x
   x = 2,815,247,736,900/710,766
6. Step 6: Final answer
   x = 3,960,864.39