Finding the Third Proportional to 31,313 and 55,187

Step by Step Solution

1. Step 1: Write the proportion equation
   31,313 : 55,187 = 55,187 : x
2. Step 2: Convert to fraction form
   31,313/55,187 = 55,187/x
3. Step 3: Cross multiply
   31,313x = 55,187 × 55,187
4. Step 4: Simplify right side
   31,313x = 3,045,604,969
5. Step 5: Solve for x
   x = 3,045,604,969/31,313
6. Step 6: Final answer
   x = 97,263.28