Finding the Third Proportional to 5,162,873,578 and 7,805,777,051

Step by Step Solution

1. Step 1: Write the proportion equation
   5,162,873,578 : 7,805,777,051 = 7,805,777,051 : x
2. Step 2: Convert to fraction form
   5,162,873,578/7,805,777,051 = 7,805,777,051/x
3. Step 3: Cross multiply
   5,162,873,578x = 7,805,777,051 × 7,805,777,051
4. Step 4: Simplify right side
   5,162,873,578x = 60,930,155,369,918,259,200
5. Step 5: Solve for x
   x = 60,930,155,369,918,259,200/5,162,873,578
6. Step 6: Final answer
   x = 11,801,597,395.21