Finding the Third Proportional to 1,418.34 and 1,715.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,418.34 : 1,715.34 = 1,715.34 : x
2. Step 2: Convert to fraction form
   1,418.34/1,715.34 = 1,715.34/x
3. Step 3: Cross multiply
   1,418.34x = 1,715.34 × 1,715.34
4. Step 4: Simplify right side
   1,418.34x = 2,942,404.18
5. Step 5: Solve for x
   x = 2,942,404.18/1,418.34
6. Step 6: Final answer
   x = 2,074.54