Finding the Third Proportional to 613,572 and 1,338,708

Step by Step Solution

1. Step 1: Write the proportion equation
   613,572 : 1,338,708 = 1,338,708 : x
2. Step 2: Convert to fraction form
   613,572/1,338,708 = 1,338,708/x
3. Step 3: Cross multiply
   613,572x = 1,338,708 × 1,338,708
4. Step 4: Simplify right side
   613,572x = 1,792,139,109,264
5. Step 5: Solve for x
   x = 1,792,139,109,264/613,572
6. Step 6: Final answer
   x = 2,920,829.36