Finding the Third Proportional to 2,170,772 and 3,191,126

Step by Step Solution

1. Step 1: Write the proportion equation
   2,170,772 : 3,191,126 = 3,191,126 : x
2. Step 2: Convert to fraction form
   2,170,772/3,191,126 = 3,191,126/x
3. Step 3: Cross multiply
   2,170,772x = 3,191,126 × 3,191,126
4. Step 4: Simplify right side
   2,170,772x = 10,183,285,147,876
5. Step 5: Solve for x
   x = 10,183,285,147,876/2,170,772
6. Step 6: Final answer
   x = 4,691,089.23