Finding the Third Proportional to 131,488.88 and 279,360

Step by Step Solution

1. Step 1: Write the proportion equation
   131,488.88 : 279,360 = 279,360 : x
2. Step 2: Convert to fraction form
   131,488.88/279,360 = 279,360/x
3. Step 3: Cross multiply
   131,488.88x = 279,360 × 279,360
4. Step 4: Simplify right side
   131,488.88x = 78,042,009,600
5. Step 5: Solve for x
   x = 78,042,009,600/131,488.88
6. Step 6: Final answer
   x = 593,525.57