Finding the Third Proportional to 868,142 and 1,869,622

Step by Step Solution

1. Step 1: Write the proportion equation
   868,142 : 1,869,622 = 1,869,622 : x
2. Step 2: Convert to fraction form
   868,142/1,869,622 = 1,869,622/x
3. Step 3: Cross multiply
   868,142x = 1,869,622 × 1,869,622
4. Step 4: Simplify right side
   868,142x = 3,495,486,422,884
5. Step 5: Solve for x
   x = 3,495,486,422,884/868,142
6. Step 6: Final answer
   x = 4,026,399.39