Finding the Third Proportional to 603,558 and 1,323,180

Step by Step Solution

1. Step 1: Write the proportion equation
   603,558 : 1,323,180 = 1,323,180 : x
2. Step 2: Convert to fraction form
   603,558/1,323,180 = 1,323,180/x
3. Step 3: Cross multiply
   603,558x = 1,323,180 × 1,323,180
4. Step 4: Simplify right side
   603,558x = 1,750,805,312,400
5. Step 5: Solve for x
   x = 1,750,805,312,400/603,558
6. Step 6: Final answer
   x = 2,900,807.07