Finding the Third Proportional to 138,962 and 271,012

Step by Step Solution

1. Step 1: Write the proportion equation
   138,962 : 271,012 = 271,012 : x
2. Step 2: Convert to fraction form
   138,962/271,012 = 271,012/x
3. Step 3: Cross multiply
   138,962x = 271,012 × 271,012
4. Step 4: Simplify right side
   138,962x = 73,447,504,144
5. Step 5: Solve for x
   x = 73,447,504,144/138,962
6. Step 6: Final answer
   x = 528,543.80