Finding the Third Proportional to 2,153,418 and 3,343,905

Step by Step Solution

1. Step 1: Write the proportion equation
   2,153,418 : 3,343,905 = 3,343,905 : x
2. Step 2: Convert to fraction form
   2,153,418/3,343,905 = 3,343,905/x
3. Step 3: Cross multiply
   2,153,418x = 3,343,905 × 3,343,905
4. Step 4: Simplify right side
   2,153,418x = 11,181,700,649,025
5. Step 5: Solve for x
   x = 11,181,700,649,025/2,153,418
6. Step 6: Final answer
   x = 5,192,536.07