Finding the Third Proportional to 20,123,990 and 31,381,726

Step by Step Solution

1. Step 1: Write the proportion equation
   20,123,990 : 31,381,726 = 31,381,726 : x
2. Step 2: Convert to fraction form
   20,123,990/31,381,726 = 31,381,726/x
3. Step 3: Cross multiply
   20,123,990x = 31,381,726 × 31,381,726
4. Step 4: Simplify right side
   20,123,990x = 984,812,726,739,076
5. Step 5: Solve for x
   x = 984,812,726,739,076/20,123,990
6. Step 6: Final answer
   x = 48,937,249.86