Finding the Third Proportional to 4,146,890,607 and 9,139,049,610

Step by Step Solution

1. Step 1: Write the proportion equation
   4,146,890,607 : 9,139,049,610 = 9,139,049,610 : x
2. Step 2: Convert to fraction form
   4,146,890,607/9,139,049,610 = 9,139,049,610/x
3. Step 3: Cross multiply
   4,146,890,607x = 9,139,049,610 × 9,139,049,610
4. Step 4: Simplify right side
   4,146,890,607x = 83,522,227,774,041,145,344
5. Step 5: Solve for x
   x = 83,522,227,774,041,145,344/4,146,890,607
6. Step 6: Final answer
   x = 20,140,928,635.31