Finding the Third Proportional to 2,118,546 and 2,720,168

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118,546 : 2,720,168 = 2,720,168 : x
2. Step 2: Convert to fraction form
   2,118,546/2,720,168 = 2,720,168/x
3. Step 3: Cross multiply
   2,118,546x = 2,720,168 × 2,720,168
4. Step 4: Simplify right side
   2,118,546x = 7,399,313,948,224
5. Step 5: Solve for x
   x = 7,399,313,948,224/2,118,546
6. Step 6: Final answer
   x = 3,492,637.85