Finding the Third Proportional to 720,672 and 1,530,238

Step by Step Solution

1. Step 1: Write the proportion equation
   720,672 : 1,530,238 = 1,530,238 : x
2. Step 2: Convert to fraction form
   720,672/1,530,238 = 1,530,238/x
3. Step 3: Cross multiply
   720,672x = 1,530,238 × 1,530,238
4. Step 4: Simplify right side
   720,672x = 2,341,628,336,644
5. Step 5: Solve for x
   x = 2,341,628,336,644/720,672
6. Step 6: Final answer
   x = 3,249,228.96