Finding the Third Proportional to 21,578,846 and 46,235,618

Step by Step Solution

1. Step 1: Write the proportion equation
   21,578,846 : 46,235,618 = 46,235,618 : x
2. Step 2: Convert to fraction form
   21,578,846/46,235,618 = 46,235,618/x
3. Step 3: Cross multiply
   21,578,846x = 46,235,618 × 46,235,618
4. Step 4: Simplify right side
   21,578,846x = 2,137,732,371,841,924
5. Step 5: Solve for x
   x = 2,137,732,371,841,924/21,578,846
6. Step 6: Final answer
   x = 99,066,111.87