Finding the Third Proportional to 443,296 and 918,123

Step by Step Solution

1. Step 1: Write the proportion equation
   443,296 : 918,123 = 918,123 : x
2. Step 2: Convert to fraction form
   443,296/918,123 = 918,123/x
3. Step 3: Cross multiply
   443,296x = 918,123 × 918,123
4. Step 4: Simplify right side
   443,296x = 842,949,843,129
5. Step 5: Solve for x
   x = 842,949,843,129/443,296
6. Step 6: Final answer
   x = 1,901,550.75