Finding the Third Proportional to 4,146,890,610 and 9,139,049,616

Step by Step Solution

1. Step 1: Write the proportion equation
   4,146,890,610 : 9,139,049,616 = 9,139,049,616 : x
2. Step 2: Convert to fraction form
   4,146,890,610/9,139,049,616 = 9,139,049,616/x
3. Step 3: Cross multiply
   4,146,890,610x = 9,139,049,616 × 9,139,049,616
4. Step 4: Simplify right side
   4,146,890,610x = 83,522,227,883,709,743,104
5. Step 5: Solve for x
   x = 83,522,227,883,709,743,104/4,146,890,610
6. Step 6: Final answer
   x = 20,140,928,647.19