Finding the Third Proportional to 72,680 and 155,714

Step by Step Solution

1. Step 1: Write the proportion equation
   72,680 : 155,714 = 155,714 : x
2. Step 2: Convert to fraction form
   72,680/155,714 = 155,714/x
3. Step 3: Cross multiply
   72,680x = 155,714 × 155,714
4. Step 4: Simplify right side
   72,680x = 24,246,849,796
5. Step 5: Solve for x
   x = 24,246,849,796/72,680
6. Step 6: Final answer
   x = 333,611.03