Finding the Third Proportional to 2,208,509 and 3,299,559

Step by Step Solution

1. Step 1: Write the proportion equation
   2,208,509 : 3,299,559 = 3,299,559 : x
2. Step 2: Convert to fraction form
   2,208,509/3,299,559 = 3,299,559/x
3. Step 3: Cross multiply
   2,208,509x = 3,299,559 × 3,299,559
4. Step 4: Simplify right side
   2,208,509x = 10,887,089,594,481
5. Step 5: Solve for x
   x = 10,887,089,594,481/2,208,509
6. Step 6: Final answer
   x = 4,929,610.70