Finding the Third Proportional to 3,431,560 and 7,427,984

Step by Step Solution

1. Step 1: Write the proportion equation
   3,431,560 : 7,427,984 = 7,427,984 : x
2. Step 2: Convert to fraction form
   3,431,560/7,427,984 = 7,427,984/x
3. Step 3: Cross multiply
   3,431,560x = 7,427,984 × 7,427,984
4. Step 4: Simplify right side
   3,431,560x = 55,174,946,304,256
5. Step 5: Solve for x
   x = 55,174,946,304,256/3,431,560
6. Step 6: Final answer
   x = 16,078,677.42