Finding the Third Proportional to 998,144 and 2,164,442

Step by Step Solution

1. Step 1: Write the proportion equation
   998,144 : 2,164,442 = 2,164,442 : x
2. Step 2: Convert to fraction form
   998,144/2,164,442 = 2,164,442/x
3. Step 3: Cross multiply
   998,144x = 2,164,442 × 2,164,442
4. Step 4: Simplify right side
   998,144x = 4,684,809,171,364
5. Step 5: Solve for x
   x = 4,684,809,171,364/998,144
6. Step 6: Final answer
   x = 4,693,520.35