Finding the Third Proportional to 696.09 and 1,043.72

Step by Step Solution

1. Step 1: Write the proportion equation
   696.09 : 1,043.72 = 1,043.72 : x
2. Step 2: Convert to fraction form
   696.09/1,043.72 = 1,043.72/x
3. Step 3: Cross multiply
   696.09x = 1,043.72 × 1,043.72
4. Step 4: Simplify right side
   696.09x = 1,089,348.83
5. Step 5: Solve for x
   x = 1,089,348.83/696.09
6. Step 6: Final answer
   x = 1,564.95