Finding the Third Proportional to 3,642,494 and 5,345,642

Step by Step Solution

1. Step 1: Write the proportion equation
   3,642,494 : 5,345,642 = 5,345,642 : x
2. Step 2: Convert to fraction form
   3,642,494/5,345,642 = 5,345,642/x
3. Step 3: Cross multiply
   3,642,494x = 5,345,642 × 5,345,642
4. Step 4: Simplify right side
   3,642,494x = 28,575,888,392,164
5. Step 5: Solve for x
   x = 28,575,888,392,164/3,642,494
6. Step 6: Final answer
   x = 7,845,143.57