Finding the Third Proportional to 140,348 and 215,714

Step by Step Solution

1. Step 1: Write the proportion equation
   140,348 : 215,714 = 215,714 : x
2. Step 2: Convert to fraction form
   140,348/215,714 = 215,714/x
3. Step 3: Cross multiply
   140,348x = 215,714 × 215,714
4. Step 4: Simplify right side
   140,348x = 46,532,529,796
5. Step 5: Solve for x
   x = 46,532,529,796/140,348
6. Step 6: Final answer
   x = 331,551.07