Finding the Third Proportional to 130,764 and 279,510

Step by Step Solution

1. Step 1: Write the proportion equation
   130,764 : 279,510 = 279,510 : x
2. Step 2: Convert to fraction form
   130,764/279,510 = 279,510/x
3. Step 3: Cross multiply
   130,764x = 279,510 × 279,510
4. Step 4: Simplify right side
   130,764x = 78,125,840,100
5. Step 5: Solve for x
   x = 78,125,840,100/130,764
6. Step 6: Final answer
   x = 597,456.79