Finding the Third Proportional to 42,584.69 and 89,583.31

Step by Step Solution

1. Step 1: Write the proportion equation
   42,584.69 : 89,583.31 = 89,583.31 : x
2. Step 2: Convert to fraction form
   42,584.69/89,583.31 = 89,583.31/x
3. Step 3: Cross multiply
   42,584.69x = 89,583.31 × 89,583.31
4. Step 4: Simplify right side
   42,584.69x = 8,025,169,878.47
5. Step 5: Solve for x
   x = 8,025,169,878.47/42,584.69
6. Step 6: Final answer
   x = 188,452.01