Finding the Third Proportional to 42,348 and 89,394

Step by Step Solution

1. Step 1: Write the proportion equation
   42,348 : 89,394 = 89,394 : x
2. Step 2: Convert to fraction form
   42,348/89,394 = 89,394/x
3. Step 3: Cross multiply
   42,348x = 89,394 × 89,394
4. Step 4: Simplify right side
   42,348x = 7,991,287,236
5. Step 5: Solve for x
   x = 7,991,287,236/42,348
6. Step 6: Final answer
   x = 188,705.19