Finding the Third Proportional to 720,316 and 1,562,728

Step by Step Solution

1. Step 1: Write the proportion equation
   720,316 : 1,562,728 = 1,562,728 : x
2. Step 2: Convert to fraction form
   720,316/1,562,728 = 1,562,728/x
3. Step 3: Cross multiply
   720,316x = 1,562,728 × 1,562,728
4. Step 4: Simplify right side
   720,316x = 2,442,118,801,984
5. Step 5: Solve for x
   x = 2,442,118,801,984/720,316
6. Step 6: Final answer
   x = 3,390,343.69