Finding the Third Proportional to 99,470,618 and 214,057,786

Step by Step Solution

1. Step 1: Write the proportion equation
   99,470,618 : 214,057,786 = 214,057,786 : x
2. Step 2: Convert to fraction form
   99,470,618/214,057,786 = 214,057,786/x
3. Step 3: Cross multiply
   99,470,618x = 214,057,786 × 214,057,786
4. Step 4: Simplify right side
   99,470,618x = 45,820,735,747,221,792
5. Step 5: Solve for x
   x = 45,820,735,747,221,792/99,470,618
6. Step 6: Final answer
   x = 460,645,934.13