Finding the Third Proportional to 1,382.06 and 2,123.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,382.06 : 2,123.16 = 2,123.16 : x
2. Step 2: Convert to fraction form
   1,382.06/2,123.16 = 2,123.16/x
3. Step 3: Cross multiply
   1,382.06x = 2,123.16 × 2,123.16
4. Step 4: Simplify right side
   1,382.06x = 4,507,792.46
5. Step 5: Solve for x
   x = 4,507,792.46/1,382.06
6. Step 6: Final answer
   x = 3,261.64