Finding the Third Proportional to 2,165,860 and 3,174,910

Step by Step Solution

1. Step 1: Write the proportion equation
   2,165,860 : 3,174,910 = 3,174,910 : x
2. Step 2: Convert to fraction form
   2,165,860/3,174,910 = 3,174,910/x
3. Step 3: Cross multiply
   2,165,860x = 3,174,910 × 3,174,910
4. Step 4: Simplify right side
   2,165,860x = 10,080,053,508,100
5. Step 5: Solve for x
   x = 10,080,053,508,100/2,165,860
6. Step 6: Final answer
   x = 4,654,065.13