Finding the Third Proportional to 151,285 and 205,560

Step by Step Solution

1. Step 1: Write the proportion equation
   151,285 : 205,560 = 205,560 : x
2. Step 2: Convert to fraction form
   151,285/205,560 = 205,560/x
3. Step 3: Cross multiply
   151,285x = 205,560 × 205,560
4. Step 4: Simplify right side
   151,285x = 42,254,913,600
5. Step 5: Solve for x
   x = 42,254,913,600/151,285
6. Step 6: Final answer
   x = 279,306.70