Finding the Third Proportional to 868,144 and 1,869,626

Step by Step Solution

1. Step 1: Write the proportion equation
   868,144 : 1,869,626 = 1,869,626 : x
2. Step 2: Convert to fraction form
   868,144/1,869,626 = 1,869,626/x
3. Step 3: Cross multiply
   868,144x = 1,869,626 × 1,869,626
4. Step 4: Simplify right side
   868,144x = 3,495,501,379,876
5. Step 5: Solve for x
   x = 3,495,501,379,876/868,144
6. Step 6: Final answer
   x = 4,026,407.35