Finding the Third Proportional to 2,118,538 and 2,720,147

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118,538 : 2,720,147 = 2,720,147 : x
2. Step 2: Convert to fraction form
   2,118,538/2,720,147 = 2,720,147/x
3. Step 3: Cross multiply
   2,118,538x = 2,720,147 × 2,720,147
4. Step 4: Simplify right side
   2,118,538x = 7,399,199,701,609
5. Step 5: Solve for x
   x = 7,399,199,701,609/2,118,538
6. Step 6: Final answer
   x = 3,492,597.11