Finding the Third Proportional to 868,672 and 1,868,672

Step by Step Solution

1. Step 1: Write the proportion equation
   868,672 : 1,868,672 = 1,868,672 : x
2. Step 2: Convert to fraction form
   868,672/1,868,672 = 1,868,672/x
3. Step 3: Cross multiply
   868,672x = 1,868,672 × 1,868,672
4. Step 4: Simplify right side
   868,672x = 3,491,935,043,584
5. Step 5: Solve for x
   x = 3,491,935,043,584/868,672
6. Step 6: Final answer
   x = 4,019,854.49