Finding the Third Proportional to 4,146,890,373 and 9,139,049,074

Step by Step Solution

1. Step 1: Write the proportion equation
   4,146,890,373 : 9,139,049,074 = 9,139,049,074 : x
2. Step 2: Convert to fraction form
   4,146,890,373/9,139,049,074 = 9,139,049,074/x
3. Step 3: Cross multiply
   4,146,890,373x = 9,139,049,074 × 9,139,049,074
4. Step 4: Simplify right side
   4,146,890,373x = 83,522,217,976,980,258,816
5. Step 5: Solve for x
   x = 83,522,217,976,980,258,816/4,146,890,373
6. Step 6: Final answer
   x = 20,140,927,409.32