Finding the Third Proportional to 3,419,572 and 7,431,784

Step by Step Solution

1. Step 1: Write the proportion equation
   3,419,572 : 7,431,784 = 7,431,784 : x
2. Step 2: Convert to fraction form
   3,419,572/7,431,784 = 7,431,784/x
3. Step 3: Cross multiply
   3,419,572x = 7,431,784 × 7,431,784
4. Step 4: Simplify right side
   3,419,572x = 55,231,413,422,656
5. Step 5: Solve for x
   x = 55,231,413,422,656/3,419,572
6. Step 6: Final answer
   x = 16,151,557.39