Finding the Third Proportional to 20,124,142 and 31,381,956

Step by Step Solution

1. Step 1: Write the proportion equation
   20,124,142 : 31,381,956 = 31,381,956 : x
2. Step 2: Convert to fraction form
   20,124,142/31,381,956 = 31,381,956/x
3. Step 3: Cross multiply
   20,124,142x = 31,381,956 × 31,381,956
4. Step 4: Simplify right side
   20,124,142x = 984,827,162,385,936
5. Step 5: Solve for x
   x = 984,827,162,385,936/20,124,142
6. Step 6: Final answer
   x = 48,937,597.56