Finding the Third Proportional to 868,908 and 1,892,288

Step by Step Solution

1. Step 1: Write the proportion equation
   868,908 : 1,892,288 = 1,892,288 : x
2. Step 2: Convert to fraction form
   868,908/1,892,288 = 1,892,288/x
3. Step 3: Cross multiply
   868,908x = 1,892,288 × 1,892,288
4. Step 4: Simplify right side
   868,908x = 3,580,753,874,944
5. Step 5: Solve for x
   x = 3,580,753,874,944/868,908
6. Step 6: Final answer
   x = 4,120,981.59