Finding the Third Proportional to 846.70 and 1,123.73

Step by Step Solution

1. Step 1: Write the proportion equation
   846.70 : 1,123.73 = 1,123.73 : x
2. Step 2: Convert to fraction form
   846.70/1,123.73 = 1,123.73/x
3. Step 3: Cross multiply
   846.70x = 1,123.73 × 1,123.73
4. Step 4: Simplify right side
   846.70x = 1,262,778.95
5. Step 5: Solve for x
   x = 1,262,778.95/846.70
6. Step 6: Final answer
   x = 1,491.41