Finding the Third Proportional to 20,155 and 31,114

Step by Step Solution

1. Step 1: Write the proportion equation
   20,155 : 31,114 = 31,114 : x
2. Step 2: Convert to fraction form
   20,155/31,114 = 31,114/x
3. Step 3: Cross multiply
   20,155x = 31,114 × 31,114
4. Step 4: Simplify right side
   20,155x = 968,080,996
5. Step 5: Solve for x
   x = 968,080,996/20,155
6. Step 6: Final answer
   x = 48,031.80