Finding the Third Proportional to 2,218,539 and 3,170,343

Step by Step Solution

1. Step 1: Write the proportion equation
   2,218,539 : 3,170,343 = 3,170,343 : x
2. Step 2: Convert to fraction form
   2,218,539/3,170,343 = 3,170,343/x
3. Step 3: Cross multiply
   2,218,539x = 3,170,343 × 3,170,343
4. Step 4: Simplify right side
   2,218,539x = 10,051,074,737,649
5. Step 5: Solve for x
   x = 10,051,074,737,649/2,218,539
6. Step 6: Final answer
   x = 4,530,492.70