Finding the Third Proportional to 3,686,124,958 and 8,123,599,597

Step by Step Solution

1. Step 1: Write the proportion equation
   3,686,124,958 : 8,123,599,597 = 8,123,599,597 : x
2. Step 2: Convert to fraction form
   3,686,124,958/8,123,599,597 = 8,123,599,597/x
3. Step 3: Cross multiply
   3,686,124,958x = 8,123,599,597 × 8,123,599,597
4. Step 4: Simplify right side
   3,686,124,958x = 65,992,870,412,378,562,560
5. Step 5: Solve for x
   x = 65,992,870,412,378,562,560/3,686,124,958
6. Step 6: Final answer
   x = 17,903,047,553.82