Finding the Third Proportional to 2,174,878 and 5,117,533

Step by Step Solution

1. Step 1: Write the proportion equation
   2,174,878 : 5,117,533 = 5,117,533 : x
2. Step 2: Convert to fraction form
   2,174,878/5,117,533 = 5,117,533/x
3. Step 3: Cross multiply
   2,174,878x = 5,117,533 × 5,117,533
4. Step 4: Simplify right side
   2,174,878x = 26,189,144,006,089
5. Step 5: Solve for x
   x = 26,189,144,006,089/2,174,878
6. Step 6: Final answer
   x = 12,041,661.19