Finding the Third Proportional to 2,174,880 and 5,117,538

Step by Step Solution

1. Step 1: Write the proportion equation
   2,174,880 : 5,117,538 = 5,117,538 : x
2. Step 2: Convert to fraction form
   2,174,880/5,117,538 = 5,117,538/x
3. Step 3: Cross multiply
   2,174,880x = 5,117,538 × 5,117,538
4. Step 4: Simplify right side
   2,174,880x = 26,189,195,181,444
5. Step 5: Solve for x
   x = 26,189,195,181,444/2,174,880
6. Step 6: Final answer
   x = 12,041,673.65