Finding the Third Proportional to 744,660 and 1,607,388

Step by Step Solution

1. Step 1: Write the proportion equation
   744,660 : 1,607,388 = 1,607,388 : x
2. Step 2: Convert to fraction form
   744,660/1,607,388 = 1,607,388/x
3. Step 3: Cross multiply
   744,660x = 1,607,388 × 1,607,388
4. Step 4: Simplify right side
   744,660x = 2,583,696,182,544
5. Step 5: Solve for x
   x = 2,583,696,182,544/744,660
6. Step 6: Final answer
   x = 3,469,632.02