Finding the Third Proportional to 21,184 and 31,127

Step by Step Solution

1. Step 1: Write the proportion equation
   21,184 : 31,127 = 31,127 : x
2. Step 2: Convert to fraction form
   21,184/31,127 = 31,127/x
3. Step 3: Cross multiply
   21,184x = 31,127 × 31,127
4. Step 4: Simplify right side
   21,184x = 968,890,129
5. Step 5: Solve for x
   x = 968,890,129/21,184
6. Step 6: Final answer
   x = 45,736.88