Finding the Third Proportional to 2,118,544 and 2,720,165

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118,544 : 2,720,165 = 2,720,165 : x
2. Step 2: Convert to fraction form
   2,118,544/2,720,165 = 2,720,165/x
3. Step 3: Cross multiply
   2,118,544x = 2,720,165 × 2,720,165
4. Step 4: Simplify right side
   2,118,544x = 7,399,297,627,225
5. Step 5: Solve for x
   x = 7,399,297,627,225/2,118,544
6. Step 6: Final answer
   x = 3,492,633.44