Finding the Third Proportional to 868,911 and 1,892,295

Step by Step Solution

1. Step 1: Write the proportion equation
   868,911 : 1,892,295 = 1,892,295 : x
2. Step 2: Convert to fraction form
   868,911/1,892,295 = 1,892,295/x
3. Step 3: Cross multiply
   868,911x = 1,892,295 × 1,892,295
4. Step 4: Simplify right side
   868,911x = 3,580,780,367,025
5. Step 5: Solve for x
   x = 3,580,780,367,025/868,911
6. Step 6: Final answer
   x = 4,120,997.85