Finding the Third Proportional to 3,389,146 and 7,449,972

Step by Step Solution

1. Step 1: Write the proportion equation
   3,389,146 : 7,449,972 = 7,449,972 : x
2. Step 2: Convert to fraction form
   3,389,146/7,449,972 = 7,449,972/x
3. Step 3: Cross multiply
   3,389,146x = 7,449,972 × 7,449,972
4. Step 4: Simplify right side
   3,389,146x = 55,502,082,800,784
5. Step 5: Solve for x
   x = 55,502,082,800,784/3,389,146
6. Step 6: Final answer
   x = 16,376,421.32