Finding the Third Proportional to 598.72 and 1,322.74

Step by Step Solution

1. Step 1: Write the proportion equation
   598.72 : 1,322.74 = 1,322.74 : x
2. Step 2: Convert to fraction form
   598.72/1,322.74 = 1,322.74/x
3. Step 3: Cross multiply
   598.72x = 1,322.74 × 1,322.74
4. Step 4: Simplify right side
   598.72x = 1,749,631.39
5. Step 5: Solve for x
   x = 1,749,631.39/598.72
6. Step 6: Final answer
   x = 2,922.29