Finding the Third Proportional to 31,903,517,244 and 69,811,101,864

Step by Step Solution

1. Step 1: Write the proportion equation
   31,903,517,244 : 69,811,101,864 = 69,811,101,864 : x
2. Step 2: Convert to fraction form
   31,903,517,244/69,811,101,864 = 69,811,101,864/x
3. Step 3: Cross multiply
   31,903,517,244x = 69,811,101,864 × 69,811,101,864
4. Step 4: Simplify right side
   31,903,517,244x = 4,873,589,943,465,783,853,056
5. Step 5: Solve for x
   x = 4,873,589,943,465,783,853,056/31,903,517,244
6. Step 6: Final answer
   x = 152,760,271,107.17