Finding the Third Proportional to 42,583.88 and 89,579.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,583.88 : 89,579.75 = 89,579.75 : x
2. Step 2: Convert to fraction form
   42,583.88/89,579.75 = 89,579.75/x
3. Step 3: Cross multiply
   42,583.88x = 89,579.75 × 89,579.75
4. Step 4: Simplify right side
   42,583.88x = 8,024,531,610.06
5. Step 5: Solve for x
   x = 8,024,531,610.06/42,583.88
6. Step 6: Final answer
   x = 188,440.62