Finding the Third Proportional to 2,170,768 and 3,191,120

Step by Step Solution

1. Step 1: Write the proportion equation
   2,170,768 : 3,191,120 = 3,191,120 : x
2. Step 2: Convert to fraction form
   2,170,768/3,191,120 = 3,191,120/x
3. Step 3: Cross multiply
   2,170,768x = 3,191,120 × 3,191,120
4. Step 4: Simplify right side
   2,170,768x = 10,183,246,854,400
5. Step 5: Solve for x
   x = 10,183,246,854,400/2,170,768
6. Step 6: Final answer
   x = 4,691,080.23