Finding the Third Proportional to 42,010 and 87,368

Step by Step Solution

1. Step 1: Write the proportion equation
   42,010 : 87,368 = 87,368 : x
2. Step 2: Convert to fraction form
   42,010/87,368 = 87,368/x
3. Step 3: Cross multiply
   42,010x = 87,368 × 87,368
4. Step 4: Simplify right side
   42,010x = 7,633,167,424
5. Step 5: Solve for x
   x = 7,633,167,424/42,010
6. Step 6: Final answer
   x = 181,698.82