Finding the Third Proportional to 998,936 and 2,166,271

Step by Step Solution

1. Step 1: Write the proportion equation
   998,936 : 2,166,271 = 2,166,271 : x
2. Step 2: Convert to fraction form
   998,936/2,166,271 = 2,166,271/x
3. Step 3: Cross multiply
   998,936x = 2,166,271 × 2,166,271
4. Step 4: Simplify right side
   998,936x = 4,692,730,045,441
5. Step 5: Solve for x
   x = 4,692,730,045,441/998,936
6. Step 6: Final answer
   x = 4,697,728.43