Finding the Third Proportional to 121,467 and 250,714.50

Step by Step Solution

1. Step 1: Write the proportion equation
   121,467 : 250,714.50 = 250,714.50 : x
2. Step 2: Convert to fraction form
   121,467/250,714.50 = 250,714.50/x
3. Step 3: Cross multiply
   121,467x = 250,714.50 × 250,714.50
4. Step 4: Simplify right side
   121,467x = 62,857,760,510.25
5. Step 5: Solve for x
   x = 62,857,760,510.25/121,467
6. Step 6: Final answer
   x = 517,488.38