Finding the Third Proportional to 2,218,182 and 3,312,488

Step by Step Solution

1. Step 1: Write the proportion equation
   2,218,182 : 3,312,488 = 3,312,488 : x
2. Step 2: Convert to fraction form
   2,218,182/3,312,488 = 3,312,488/x
3. Step 3: Cross multiply
   2,218,182x = 3,312,488 × 3,312,488
4. Step 4: Simplify right side
   2,218,182x = 10,972,576,750,144
5. Step 5: Solve for x
   x = 10,972,576,750,144/2,218,182
6. Step 6: Final answer
   x = 4,946,653.05