Finding the Third Proportional to 720,384 and 1,567,616

Step by Step Solution

1. Step 1: Write the proportion equation
   720,384 : 1,567,616 = 1,567,616 : x
2. Step 2: Convert to fraction form
   720,384/1,567,616 = 1,567,616/x
3. Step 3: Cross multiply
   720,384x = 1,567,616 × 1,567,616
4. Step 4: Simplify right side
   720,384x = 2,457,419,923,456
5. Step 5: Solve for x
   x = 2,457,419,923,456/720,384
6. Step 6: Final answer
   x = 3,411,263.89