Finding the Third Proportional to 2,389,188 and 3,699,342

Step by Step Solution

1. Step 1: Write the proportion equation
   2,389,188 : 3,699,342 = 3,699,342 : x
2. Step 2: Convert to fraction form
   2,389,188/3,699,342 = 3,699,342/x
3. Step 3: Cross multiply
   2,389,188x = 3,699,342 × 3,699,342
4. Step 4: Simplify right side
   2,389,188x = 13,685,131,232,964
5. Step 5: Solve for x
   x = 13,685,131,232,964/2,389,188
6. Step 6: Final answer
   x = 5,727,942.39