Finding the Third Proportional to 42,468 and 89,992

Step by Step Solution

1. Step 1: Write the proportion equation
   42,468 : 89,992 = 89,992 : x
2. Step 2: Convert to fraction form
   42,468/89,992 = 89,992/x
3. Step 3: Cross multiply
   42,468x = 89,992 × 89,992
4. Step 4: Simplify right side
   42,468x = 8,098,560,064
5. Step 5: Solve for x
   x = 8,098,560,064/42,468
6. Step 6: Final answer
   x = 190,697.94