Finding the Third Proportional to 4,146,890,613 and 9,139,049,622

Step by Step Solution

1. Step 1: Write the proportion equation
   4,146,890,613 : 9,139,049,622 = 9,139,049,622 : x
2. Step 2: Convert to fraction form
   4,146,890,613/9,139,049,622 = 9,139,049,622/x
3. Step 3: Cross multiply
   4,146,890,613x = 9,139,049,622 × 9,139,049,622
4. Step 4: Simplify right side
   4,146,890,613x = 83,522,227,993,378,340,864
5. Step 5: Solve for x
   x = 83,522,227,993,378,340,864/4,146,890,613
6. Step 6: Final answer
   x = 20,140,928,659.06