Finding the Third Proportional to 667.25 and 1,055.63

Step by Step Solution

1. Step 1: Write the proportion equation
   667.25 : 1,055.63 = 1,055.63 : x
2. Step 2: Convert to fraction form
   667.25/1,055.63 = 1,055.63/x
3. Step 3: Cross multiply
   667.25x = 1,055.63 × 1,055.63
4. Step 4: Simplify right side
   667.25x = 1,114,344.14
5. Step 5: Solve for x
   x = 1,114,344.14/667.25
6. Step 6: Final answer
   x = 1,670.05