Finding the Third Proportional to 88,042 and 186,992

Step by Step Solution

1. Step 1: Write the proportion equation
   88,042 : 186,992 = 186,992 : x
2. Step 2: Convert to fraction form
   88,042/186,992 = 186,992/x
3. Step 3: Cross multiply
   88,042x = 186,992 × 186,992
4. Step 4: Simplify right side
   88,042x = 34,966,008,064
5. Step 5: Solve for x
   x = 34,966,008,064/88,042
6. Step 6: Final answer
   x = 397,151.45