Finding the Third Proportional to 42,156 and 90,844

Step by Step Solution

1. Step 1: Write the proportion equation
   42,156 : 90,844 = 90,844 : x
2. Step 2: Convert to fraction form
   42,156/90,844 = 90,844/x
3. Step 3: Cross multiply
   42,156x = 90,844 × 90,844
4. Step 4: Simplify right side
   42,156x = 8,252,632,336
5. Step 5: Solve for x
   x = 8,252,632,336/42,156
6. Step 6: Final answer
   x = 195,764.12