Finding the Third Proportional to 3,642,618 and 5,345,829

Step by Step Solution

1. Step 1: Write the proportion equation
   3,642,618 : 5,345,829 = 5,345,829 : x
2. Step 2: Convert to fraction form
   3,642,618/5,345,829 = 5,345,829/x
3. Step 3: Cross multiply
   3,642,618x = 5,345,829 × 5,345,829
4. Step 4: Simplify right side
   3,642,618x = 28,577,887,697,241
5. Step 5: Solve for x
   x = 28,577,887,697,241/3,642,618
6. Step 6: Final answer
   x = 7,845,425.38