Finding the Third Proportional to 4,010,459 and 8,351,392

Step by Step Solution

1. Step 1: Write the proportion equation
   4,010,459 : 8,351,392 = 8,351,392 : x
2. Step 2: Convert to fraction form
   4,010,459/8,351,392 = 8,351,392/x
3. Step 3: Cross multiply
   4,010,459x = 8,351,392 × 8,351,392
4. Step 4: Simplify right side
   4,010,459x = 69,745,748,337,664
5. Step 5: Solve for x
   x = 69,745,748,337,664/4,010,459
6. Step 6: Final answer
   x = 17,390,964.06