Finding the Third Proportional to 868,128 and 1,935,456

Step by Step Solution

1. Step 1: Write the proportion equation
   868,128 : 1,935,456 = 1,935,456 : x
2. Step 2: Convert to fraction form
   868,128/1,935,456 = 1,935,456/x
3. Step 3: Cross multiply
   868,128x = 1,935,456 × 1,935,456
4. Step 4: Simplify right side
   868,128x = 3,745,989,927,936
5. Step 5: Solve for x
   x = 3,745,989,927,936/868,128
6. Step 6: Final answer
   x = 4,315,020.28