Finding the Third Proportional to 529.59 and 1,159.59

Step by Step Solution

1. Step 1: Write the proportion equation
   529.59 : 1,159.59 = 1,159.59 : x
2. Step 2: Convert to fraction form
   529.59/1,159.59 = 1,159.59/x
3. Step 3: Cross multiply
   529.59x = 1,159.59 × 1,159.59
4. Step 4: Simplify right side
   529.59x = 1,344,657.67
5. Step 5: Solve for x
   x = 1,344,657.67/529.59
6. Step 6: Final answer
   x = 2,539.04