Finding the Third Proportional to 28,529.72 and 60,879.09

Step by Step Solution

1. Step 1: Write the proportion equation
   28,529.72 : 60,879.09 = 60,879.09 : x
2. Step 2: Convert to fraction form
   28,529.72/60,879.09 = 60,879.09/x
3. Step 3: Cross multiply
   28,529.72x = 60,879.09 × 60,879.09
4. Step 4: Simplify right side
   28,529.72x = 3,706,264,055.82
5. Step 5: Solve for x
   x = 3,706,264,055.82/28,529.72
6. Step 6: Final answer
   x = 129,908.89