Finding the Third Proportional to 42,593 and 90,650

Step by Step Solution

1. Step 1: Write the proportion equation
   42,593 : 90,650 = 90,650 : x
2. Step 2: Convert to fraction form
   42,593/90,650 = 90,650/x
3. Step 3: Cross multiply
   42,593x = 90,650 × 90,650
4. Step 4: Simplify right side
   42,593x = 8,217,422,500
5. Step 5: Solve for x
   x = 8,217,422,500/42,593
6. Step 6: Final answer
   x = 192,928.94