Finding the Third Proportional to 2,218,554 and 3,170,358

Step by Step Solution

1. Step 1: Write the proportion equation
   2,218,554 : 3,170,358 = 3,170,358 : x
2. Step 2: Convert to fraction form
   2,218,554/3,170,358 = 3,170,358/x
3. Step 3: Cross multiply
   2,218,554x = 3,170,358 × 3,170,358
4. Step 4: Simplify right side
   2,218,554x = 10,051,169,848,164
5. Step 5: Solve for x
   x = 10,051,169,848,164/2,218,554
6. Step 6: Final answer
   x = 4,530,504.94