Finding the Third Proportional to 31,315 and 55,191

Step by Step Solution

1. Step 1: Write the proportion equation
   31,315 : 55,191 = 55,191 : x
2. Step 2: Convert to fraction form
   31,315/55,191 = 55,191/x
3. Step 3: Cross multiply
   31,315x = 55,191 × 55,191
4. Step 4: Simplify right side
   31,315x = 3,046,046,481
5. Step 5: Solve for x
   x = 3,046,046,481/31,315
6. Step 6: Final answer
   x = 97,271.16