Finding the Third Proportional to 2,118,672 and 2,720,304

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118,672 : 2,720,304 = 2,720,304 : x
2. Step 2: Convert to fraction form
   2,118,672/2,720,304 = 2,720,304/x
3. Step 3: Cross multiply
   2,118,672x = 2,720,304 × 2,720,304
4. Step 4: Simplify right side
   2,118,672x = 7,400,053,852,416
5. Step 5: Solve for x
   x = 7,400,053,852,416/2,118,672
6. Step 6: Final answer
   x = 3,492,779.37