Finding the Third Proportional to 2,539,610 and 5,423,642

Step by Step Solution

1. Step 1: Write the proportion equation
   2,539,610 : 5,423,642 = 5,423,642 : x
2. Step 2: Convert to fraction form
   2,539,610/5,423,642 = 5,423,642/x
3. Step 3: Cross multiply
   2,539,610x = 5,423,642 × 5,423,642
4. Step 4: Simplify right side
   2,539,610x = 29,415,892,544,164
5. Step 5: Solve for x
   x = 29,415,892,544,164/2,539,610
6. Step 6: Final answer
   x = 11,582,838.52