Finding the Third Proportional to 140,239 and 217,562

Step by Step Solution

1. Step 1: Write the proportion equation
   140,239 : 217,562 = 217,562 : x
2. Step 2: Convert to fraction form
   140,239/217,562 = 217,562/x
3. Step 3: Cross multiply
   140,239x = 217,562 × 217,562
4. Step 4: Simplify right side
   140,239x = 47,333,223,844
5. Step 5: Solve for x
   x = 47,333,223,844/140,239
6. Step 6: Final answer
   x = 337,518.26