Finding the Third Proportional to 28,702.69 and 60,879.94

Step by Step Solution

1. Step 1: Write the proportion equation
   28,702.69 : 60,879.94 = 60,879.94 : x
2. Step 2: Convert to fraction form
   28,702.69/60,879.94 = 60,879.94/x
3. Step 3: Cross multiply
   28,702.69x = 60,879.94 × 60,879.94
4. Step 4: Simplify right side
   28,702.69x = 3,706,366,790.00
5. Step 5: Solve for x
   x = 3,706,366,790.00/28,702.69
6. Step 6: Final answer
   x = 129,129.61