Finding the Third Proportional to 42,158 and 90,848

Step by Step Solution

1. Step 1: Write the proportion equation
   42,158 : 90,848 = 90,848 : x
2. Step 2: Convert to fraction form
   42,158/90,848 = 90,848/x
3. Step 3: Cross multiply
   42,158x = 90,848 × 90,848
4. Step 4: Simplify right side
   42,158x = 8,253,359,104
5. Step 5: Solve for x
   x = 8,253,359,104/42,158
6. Step 6: Final answer
   x = 195,772.07