Finding the Third Proportional to 868,974 and 1,817,391

Step by Step Solution

1. Step 1: Write the proportion equation
   868,974 : 1,817,391 = 1,817,391 : x
2. Step 2: Convert to fraction form
   868,974/1,817,391 = 1,817,391/x
3. Step 3: Cross multiply
   868,974x = 1,817,391 × 1,817,391
4. Step 4: Simplify right side
   868,974x = 3,302,910,046,881
5. Step 5: Solve for x
   x = 3,302,910,046,881/868,974
6. Step 6: Final answer
   x = 3,800,930.81