Finding the Third Proportional to 3,431,876 and 5,182,984

Step by Step Solution

1. Step 1: Write the proportion equation
   3,431,876 : 5,182,984 = 5,182,984 : x
2. Step 2: Convert to fraction form
   3,431,876/5,182,984 = 5,182,984/x
3. Step 3: Cross multiply
   3,431,876x = 5,182,984 × 5,182,984
4. Step 4: Simplify right side
   3,431,876x = 26,863,323,144,256
5. Step 5: Solve for x
   x = 26,863,323,144,256/3,431,876
6. Step 6: Final answer
   x = 7,827,591.42