Finding the Third Proportional to 998,145 and 2,164,443

Step by Step Solution

1. Step 1: Write the proportion equation
   998,145 : 2,164,443 = 2,164,443 : x
2. Step 2: Convert to fraction form
   998,145/2,164,443 = 2,164,443/x
3. Step 3: Cross multiply
   998,145x = 2,164,443 × 2,164,443
4. Step 4: Simplify right side
   998,145x = 4,684,813,500,249
5. Step 5: Solve for x
   x = 4,684,813,500,249/998,145
6. Step 6: Final answer
   x = 4,693,519.98