Finding the Third Proportional to 525.39 and 1,131.94

Step by Step Solution

1. Step 1: Write the proportion equation
   525.39 : 1,131.94 = 1,131.94 : x
2. Step 2: Convert to fraction form
   525.39/1,131.94 = 1,131.94/x
3. Step 3: Cross multiply
   525.39x = 1,131.94 × 1,131.94
4. Step 4: Simplify right side
   525.39x = 1,281,295.77
5. Step 5: Solve for x
   x = 1,281,295.77/525.39
6. Step 6: Final answer
   x = 2,438.74