Finding the Third Proportional to 42,600.25 and 89,607.25

Step by Step Solution

1. Step 1: Write the proportion equation
   42,600.25 : 89,607.25 = 89,607.25 : x
2. Step 2: Convert to fraction form
   42,600.25/89,607.25 = 89,607.25/x
3. Step 3: Cross multiply
   42,600.25x = 89,607.25 × 89,607.25
4. Step 4: Simplify right side
   42,600.25x = 8,029,459,252.56
5. Step 5: Solve for x
   x = 8,029,459,252.56/42,600.25
6. Step 6: Final answer
   x = 188,483.85