Finding the Third Proportional to 860,559 and 1,870,374

Step by Step Solution

1. Step 1: Write the proportion equation
   860,559 : 1,870,374 = 1,870,374 : x
2. Step 2: Convert to fraction form
   860,559/1,870,374 = 1,870,374/x
3. Step 3: Cross multiply
   860,559x = 1,870,374 × 1,870,374
4. Step 4: Simplify right side
   860,559x = 3,498,298,899,876
5. Step 5: Solve for x
   x = 3,498,298,899,876/860,559
6. Step 6: Final answer
   x = 4,065,147.07