Finding the Third Proportional to 54,855,992,513 and 83,923,526,568

Step by Step Solution

1. Step 1: Write the proportion equation
   54,855,992,513 : 83,923,526,568 = 83,923,526,568 : x
2. Step 2: Convert to fraction form
   54,855,992,513/83,923,526,568 = 83,923,526,568/x
3. Step 3: Cross multiply
   54,855,992,513x = 83,923,526,568 × 83,923,526,568
4. Step 4: Simplify right side
   54,855,992,513x = 7,043,158,311,609,802,162,176
5. Step 5: Solve for x
   x = 7,043,158,311,609,802,162,176/54,855,992,513
6. Step 6: Final answer
   x = 128,393,599,112.09