Finding the Third Proportional to 2,154.75 and 2,154.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,154.75 : 2,154.75 = 2,154.75 : x
2. Step 2: Convert to fraction form
   2,154.75/2,154.75 = 2,154.75/x
3. Step 3: Cross multiply
   2,154.75x = 2,154.75 × 2,154.75
4. Step 4: Simplify right side
   2,154.75x = 4,642,947.56
5. Step 5: Solve for x
   x = 4,642,947.56/2,154.75
6. Step 6: Final answer
   x = 2,154.75