Finding the Third Proportional to 2,389,186 and 3,699,339

Step by Step Solution

1. Step 1: Write the proportion equation
   2,389,186 : 3,699,339 = 3,699,339 : x
2. Step 2: Convert to fraction form
   2,389,186/3,699,339 = 3,699,339/x
3. Step 3: Cross multiply
   2,389,186x = 3,699,339 × 3,699,339
4. Step 4: Simplify right side
   2,389,186x = 13,685,109,036,921
5. Step 5: Solve for x
   x = 13,685,109,036,921/2,389,186
6. Step 6: Final answer
   x = 5,727,937.90