Finding the Third Proportional to 20,123,960 and 31,381,682

Step by Step Solution

1. Step 1: Write the proportion equation
   20,123,960 : 31,381,682 = 31,381,682 : x
2. Step 2: Convert to fraction form
   20,123,960/31,381,682 = 31,381,682/x
3. Step 3: Cross multiply
   20,123,960x = 31,381,682 × 31,381,682
4. Step 4: Simplify right side
   20,123,960x = 984,809,965,149,124
5. Step 5: Solve for x
   x = 984,809,965,149,124/20,123,960
6. Step 6: Final answer
   x = 48,937,185.58