Finding the Third Proportional to 742,149 and 1,589,238

Step by Step Solution

1. Step 1: Write the proportion equation
   742,149 : 1,589,238 = 1,589,238 : x
2. Step 2: Convert to fraction form
   742,149/1,589,238 = 1,589,238/x
3. Step 3: Cross multiply
   742,149x = 1,589,238 × 1,589,238
4. Step 4: Simplify right side
   742,149x = 2,525,677,420,644
5. Step 5: Solve for x
   x = 2,525,677,420,644/742,149
6. Step 6: Final answer
   x = 3,403,194.53