Finding the Third Proportional to 743,618 and 1,583,140

Step by Step Solution

1. Step 1: Write the proportion equation
   743,618 : 1,583,140 = 1,583,140 : x
2. Step 2: Convert to fraction form
   743,618/1,583,140 = 1,583,140/x
3. Step 3: Cross multiply
   743,618x = 1,583,140 × 1,583,140
4. Step 4: Simplify right side
   743,618x = 2,506,332,259,600
5. Step 5: Solve for x
   x = 2,506,332,259,600/743,618
6. Step 6: Final answer
   x = 3,370,456.69