Finding the Third Proportional to 443,288 and 918,108

Step by Step Solution

1. Step 1: Write the proportion equation
   443,288 : 918,108 = 918,108 : x
2. Step 2: Convert to fraction form
   443,288/918,108 = 918,108/x
3. Step 3: Cross multiply
   443,288x = 918,108 × 918,108
4. Step 4: Simplify right side
   443,288x = 842,922,299,664
5. Step 5: Solve for x
   x = 842,922,299,664/443,288
6. Step 6: Final answer
   x = 1,901,522.94