Finding the Third Proportional to 3,726,680,238 and 7,976,862,666

Step by Step Solution

1. Step 1: Write the proportion equation
   3,726,680,238 : 7,976,862,666 = 7,976,862,666 : x
2. Step 2: Convert to fraction form
   3,726,680,238/7,976,862,666 = 7,976,862,666/x
3. Step 3: Cross multiply
   3,726,680,238x = 7,976,862,666 × 7,976,862,666
4. Step 4: Simplify right side
   3,726,680,238x = 63,630,337,992,224,628,736
5. Step 5: Solve for x
   x = 63,630,337,992,224,628,736/3,726,680,238
6. Step 6: Final answer
   x = 17,074,268,230.31