Finding the Third Proportional to 990,975 and 2,171,274

Step by Step Solution

1. Step 1: Write the proportion equation
   990,975 : 2,171,274 = 2,171,274 : x
2. Step 2: Convert to fraction form
   990,975/2,171,274 = 2,171,274/x
3. Step 3: Cross multiply
   990,975x = 2,171,274 × 2,171,274
4. Step 4: Simplify right side
   990,975x = 4,714,430,783,076
5. Step 5: Solve for x
   x = 4,714,430,783,076/990,975
6. Step 6: Final answer
   x = 4,757,366.01