Finding the Third Proportional to 7,707,980,016 and 12,264,911,494.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,707,980,016 : 12,264,911,494.50 = 12,264,911,494.50 : x
2. Step 2: Convert to fraction form
   7,707,980,016/12,264,911,494.50 = 12,264,911,494.50/x
3. Step 3: Cross multiply
   7,707,980,016x = 12,264,911,494.50 × 12,264,911,494.50
4. Step 4: Simplify right side
   7,707,980,016x = 150,428,053,967,918,235,648
5. Step 5: Solve for x
   x = 150,428,053,967,918,235,648/7,707,980,016
6. Step 6: Final answer
   x = 19,515,885,310.50