Finding the Third Proportional to 736,419 and 1,617,558

Step by Step Solution

1. Step 1: Write the proportion equation
   736,419 : 1,617,558 = 1,617,558 : x
2. Step 2: Convert to fraction form
   736,419/1,617,558 = 1,617,558/x
3. Step 3: Cross multiply
   736,419x = 1,617,558 × 1,617,558
4. Step 4: Simplify right side
   736,419x = 2,616,493,883,364
5. Step 5: Solve for x
   x = 2,616,493,883,364/736,419
6. Step 6: Final answer
   x = 3,552,996.17