Finding the Third Proportional to 42,118 and 90,764

Step by Step Solution

1. Step 1: Write the proportion equation
   42,118 : 90,764 = 90,764 : x
2. Step 2: Convert to fraction form
   42,118/90,764 = 90,764/x
3. Step 3: Cross multiply
   42,118x = 90,764 × 90,764
4. Step 4: Simplify right side
   42,118x = 8,238,103,696
5. Step 5: Solve for x
   x = 8,238,103,696/42,118
6. Step 6: Final answer
   x = 195,595.80