Finding the Third Proportional to 583.50 and 1,113

Step by Step Solution

1. Step 1: Write the proportion equation
   583.50 : 1,113 = 1,113 : x
2. Step 2: Convert to fraction form
   583.50/1,113 = 1,113/x
3. Step 3: Cross multiply
   583.50x = 1,113 × 1,113
4. Step 4: Simplify right side
   583.50x = 1,238,769
5. Step 5: Solve for x
   x = 1,238,769/583.50
6. Step 6: Final answer
   x = 2,123.00