Finding the Third Proportional to 66,961.69 and 103,768.59

Step by Step Solution

1. Step 1: Write the proportion equation
   66,961.69 : 103,768.59 = 103,768.59 : x
2. Step 2: Convert to fraction form
   66,961.69/103,768.59 = 103,768.59/x
3. Step 3: Cross multiply
   66,961.69x = 103,768.59 × 103,768.59
4. Step 4: Simplify right side
   66,961.69x = 10,767,921,048.85
5. Step 5: Solve for x
   x = 10,767,921,048.85/66,961.69
6. Step 6: Final answer
   x = 160,807.19