Finding the Third Proportional to 20,992,618 and 34,279,055

Step by Step Solution

1. Step 1: Write the proportion equation
   20,992,618 : 34,279,055 = 34,279,055 : x
2. Step 2: Convert to fraction form
   20,992,618/34,279,055 = 34,279,055/x
3. Step 3: Cross multiply
   20,992,618x = 34,279,055 × 34,279,055
4. Step 4: Simplify right side
   20,992,618x = 1,175,053,611,693,025
5. Step 5: Solve for x
   x = 1,175,053,611,693,025/20,992,618
6. Step 6: Final answer
   x = 55,974,610.30