Finding the Third Proportional to 42,600.75 and 89,608.25

Step by Step Solution

1. Step 1: Write the proportion equation
   42,600.75 : 89,608.25 = 89,608.25 : x
2. Step 2: Convert to fraction form
   42,600.75/89,608.25 = 89,608.25/x
3. Step 3: Cross multiply
   42,600.75x = 89,608.25 × 89,608.25
4. Step 4: Simplify right side
   42,600.75x = 8,029,638,468.06
5. Step 5: Solve for x
   x = 8,029,638,468.06/42,600.75
6. Step 6: Final answer
   x = 188,485.85