Finding the Third Proportional to 1,531.59 and 3,322.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,531.59 : 3,322.50 = 3,322.50 : x
2. Step 2: Convert to fraction form
   1,531.59/3,322.50 = 3,322.50/x
3. Step 3: Cross multiply
   1,531.59x = 3,322.50 × 3,322.50
4. Step 4: Simplify right side
   1,531.59x = 11,039,006.25
5. Step 5: Solve for x
   x = 11,039,006.25/1,531.59
6. Step 6: Final answer
   x = 7,207.53