Finding the Third Proportional to 1,020.09 and 1,528.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,020.09 : 1,528.88 = 1,528.88 : x
2. Step 2: Convert to fraction form
   1,020.09/1,528.88 = 1,528.88/x
3. Step 3: Cross multiply
   1,020.09x = 1,528.88 × 1,528.88
4. Step 4: Simplify right side
   1,020.09x = 2,337,458.77
5. Step 5: Solve for x
   x = 2,337,458.77/1,020.09
6. Step 6: Final answer
   x = 2,291.42