Finding the Third Proportional to 2,170,748 and 3,191,086

Step by Step Solution

1. Step 1: Write the proportion equation
   2,170,748 : 3,191,086 = 3,191,086 : x
2. Step 2: Convert to fraction form
   2,170,748/3,191,086 = 3,191,086/x
3. Step 3: Cross multiply
   2,170,748x = 3,191,086 × 3,191,086
4. Step 4: Simplify right side
   2,170,748x = 10,183,029,859,396
5. Step 5: Solve for x
   x = 10,183,029,859,396/2,170,748
6. Step 6: Final answer
   x = 4,691,023.49