Finding the Third Proportional to 700.31 and 1,084.54

Step by Step Solution

1. Step 1: Write the proportion equation
   700.31 : 1,084.54 = 1,084.54 : x
2. Step 2: Convert to fraction form
   700.31/1,084.54 = 1,084.54/x
3. Step 3: Cross multiply
   700.31x = 1,084.54 × 1,084.54
4. Step 4: Simplify right side
   700.31x = 1,176,216.51
5. Step 5: Solve for x
   x = 1,176,216.51/700.31
6. Step 6: Final answer
   x = 1,679.56