Finding the Third Proportional to 7,186,231,867 and 15,637,870,142

Step by Step Solution

1. Step 1: Write the proportion equation
   7,186,231,867 : 15,637,870,142 = 15,637,870,142 : x
2. Step 2: Convert to fraction form
   7,186,231,867/15,637,870,142 = 15,637,870,142/x
3. Step 3: Cross multiply
   7,186,231,867x = 15,637,870,142 × 15,637,870,142
4. Step 4: Simplify right side
   7,186,231,867x = 244,542,982,578,055,086,080
5. Step 5: Solve for x
   x = 244,542,982,578,055,086,080/7,186,231,867
6. Step 6: Final answer
   x = 34,029,375,492.46