Finding the Third Proportional to 1,171.34 and 2,485.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,171.34 : 2,485.05 = 2,485.05 : x
2. Step 2: Convert to fraction form
   1,171.34/2,485.05 = 2,485.05/x
3. Step 3: Cross multiply
   1,171.34x = 2,485.05 × 2,485.05
4. Step 4: Simplify right side
   1,171.34x = 6,175,496.80
5. Step 5: Solve for x
   x = 6,175,496.80/1,171.34
6. Step 6: Final answer
   x = 5,272.18