Finding the Third Proportional to 79,654,568 and 123,019,324

Step by Step Solution

1. Step 1: Write the proportion equation
   79,654,568 : 123,019,324 = 123,019,324 : x
2. Step 2: Convert to fraction form
   79,654,568/123,019,324 = 123,019,324/x
3. Step 3: Cross multiply
   79,654,568x = 123,019,324 × 123,019,324
4. Step 4: Simplify right side
   79,654,568x = 15,133,754,077,416,976
5. Step 5: Solve for x
   x = 15,133,754,077,416,976/79,654,568
6. Step 6: Final answer
   x = 189,992,293.69