Finding the Third Proportional to 42,581.50 and 89,574

Step by Step Solution

1. Step 1: Write the proportion equation
   42,581.50 : 89,574 = 89,574 : x
2. Step 2: Convert to fraction form
   42,581.50/89,574 = 89,574/x
3. Step 3: Cross multiply
   42,581.50x = 89,574 × 89,574
4. Step 4: Simplify right side
   42,581.50x = 8,023,501,476
5. Step 5: Solve for x
   x = 8,023,501,476/42,581.50
6. Step 6: Final answer
   x = 188,426.93