Finding the Third Proportional to 85,930.88 and 188,785.69

Step by Step Solution

1. Step 1: Write the proportion equation
   85,930.88 : 188,785.69 = 188,785.69 : x
2. Step 2: Convert to fraction form
   85,930.88/188,785.69 = 188,785.69/x
3. Step 3: Cross multiply
   85,930.88x = 188,785.69 × 188,785.69
4. Step 4: Simplify right side
   85,930.88x = 35,640,035,804.85
5. Step 5: Solve for x
   x = 35,640,035,804.85/85,930.88
6. Step 6: Final answer
   x = 414,752.39