Finding the Third Proportional to 42,230 and 90,940

Step by Step Solution

1. Step 1: Write the proportion equation
   42,230 : 90,940 = 90,940 : x
2. Step 2: Convert to fraction form
   42,230/90,940 = 90,940/x
3. Step 3: Cross multiply
   42,230x = 90,940 × 90,940
4. Step 4: Simplify right side
   42,230x = 8,270,083,600
5. Step 5: Solve for x
   x = 8,270,083,600/42,230
6. Step 6: Final answer
   x = 195,834.33