Finding the Third Proportional to 2,540,229 and 5,479,301

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540,229 : 5,479,301 = 5,479,301 : x
2. Step 2: Convert to fraction form
   2,540,229/5,479,301 = 5,479,301/x
3. Step 3: Cross multiply
   2,540,229x = 5,479,301 × 5,479,301
4. Step 4: Simplify right side
   2,540,229x = 30,022,739,448,601
5. Step 5: Solve for x
   x = 30,022,739,448,601/2,540,229
6. Step 6: Final answer
   x = 11,818,910.60