Finding the Third Proportional to 20,123,980 and 31,381,714

Step by Step Solution

1. Step 1: Write the proportion equation
   20,123,980 : 31,381,714 = 31,381,714 : x
2. Step 2: Convert to fraction form
   20,123,980/31,381,714 = 31,381,714/x
3. Step 3: Cross multiply
   20,123,980x = 31,381,714 × 31,381,714
4. Step 4: Simplify right side
   20,123,980x = 984,811,973,577,796
5. Step 5: Solve for x
   x = 984,811,973,577,796/20,123,980
6. Step 6: Final answer
   x = 48,937,236.75