Finding the Third Proportional to 868,392 and 1,868,976

Step by Step Solution

1. Step 1: Write the proportion equation
   868,392 : 1,868,976 = 1,868,976 : x
2. Step 2: Convert to fraction form
   868,392/1,868,976 = 1,868,976/x
3. Step 3: Cross multiply
   868,392x = 1,868,976 × 1,868,976
4. Step 4: Simplify right side
   868,392x = 3,493,071,288,576
5. Step 5: Solve for x
   x = 3,493,071,288,576/868,392
6. Step 6: Final answer
   x = 4,022,459.08