Finding the Third Proportional to 62,104.50 and 128,766

Step by Step Solution

1. Step 1: Write the proportion equation
   62,104.50 : 128,766 = 128,766 : x
2. Step 2: Convert to fraction form
   62,104.50/128,766 = 128,766/x
3. Step 3: Cross multiply
   62,104.50x = 128,766 × 128,766
4. Step 4: Simplify right side
   62,104.50x = 16,580,682,756
5. Step 5: Solve for x
   x = 16,580,682,756/62,104.50
6. Step 6: Final answer
   x = 266,980.38