Finding the Third Proportional to 1,459.90 and 2,143.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,459.90 : 2,143.34 = 2,143.34 : x
2. Step 2: Convert to fraction form
   1,459.90/2,143.34 = 2,143.34/x
3. Step 3: Cross multiply
   1,459.90x = 2,143.34 × 2,143.34
4. Step 4: Simplify right side
   1,459.90x = 4,593,888.94
5. Step 5: Solve for x
   x = 4,593,888.94/1,459.90
6. Step 6: Final answer
   x = 3,146.72