Finding the Third Proportional to 2,431,816 and 4,172,588

Step by Step Solution

1. Step 1: Write the proportion equation
   2,431,816 : 4,172,588 = 4,172,588 : x
2. Step 2: Convert to fraction form
   2,431,816/4,172,588 = 4,172,588/x
3. Step 3: Cross multiply
   2,431,816x = 4,172,588 × 4,172,588
4. Step 4: Simplify right side
   2,431,816x = 17,410,490,617,744
5. Step 5: Solve for x
   x = 17,410,490,617,744/2,431,816
6. Step 6: Final answer
   x = 7,159,460.51