Finding the Third Proportional to 42,369 and 90,367

Step by Step Solution

1. Step 1: Write the proportion equation
   42,369 : 90,367 = 90,367 : x
2. Step 2: Convert to fraction form
   42,369/90,367 = 90,367/x
3. Step 3: Cross multiply
   42,369x = 90,367 × 90,367
4. Step 4: Simplify right side
   42,369x = 8,166,194,689
5. Step 5: Solve for x
   x = 8,166,194,689/42,369
6. Step 6: Final answer
   x = 192,739.85