Finding the Third Proportional to 10,800.84 and 14,515.45

Step by Step Solution

1. Step 1: Write the proportion equation
   10,800.84 : 14,515.45 = 14,515.45 : x
2. Step 2: Convert to fraction form
   10,800.84/14,515.45 = 14,515.45/x
3. Step 3: Cross multiply
   10,800.84x = 14,515.45 × 14,515.45
4. Step 4: Simplify right side
   10,800.84x = 210,698,379.42
5. Step 5: Solve for x
   x = 210,698,379.42/10,800.84
6. Step 6: Final answer
   x = 19,507.59