Finding the Third Proportional to 139,362 and 271,716

Step by Step Solution

1. Step 1: Write the proportion equation
   139,362 : 271,716 = 271,716 : x
2. Step 2: Convert to fraction form
   139,362/271,716 = 271,716/x
3. Step 3: Cross multiply
   139,362x = 271,716 × 271,716
4. Step 4: Simplify right side
   139,362x = 73,829,584,656
5. Step 5: Solve for x
   x = 73,829,584,656/139,362
6. Step 6: Final answer
   x = 529,768.41