Finding the Third Proportional to 443,328 and 918,192

Step by Step Solution

1. Step 1: Write the proportion equation
   443,328 : 918,192 = 918,192 : x
2. Step 2: Convert to fraction form
   443,328/918,192 = 918,192/x
3. Step 3: Cross multiply
   443,328x = 918,192 × 918,192
4. Step 4: Simplify right side
   443,328x = 843,076,548,864
5. Step 5: Solve for x
   x = 843,076,548,864/443,328
6. Step 6: Final answer
   x = 1,901,699.30