Finding the Third Proportional to 31,266 and 71,199

Step by Step Solution

1. Step 1: Write the proportion equation
   31,266 : 71,199 = 71,199 : x
2. Step 2: Convert to fraction form
   31,266/71,199 = 71,199/x
3. Step 3: Cross multiply
   31,266x = 71,199 × 71,199
4. Step 4: Simplify right side
   31,266x = 5,069,297,601
5. Step 5: Solve for x
   x = 5,069,297,601/31,266
6. Step 6: Final answer
   x = 162,134.51