Finding the Third Proportional to 40,436 and 87,746

Step by Step Solution

1. Step 1: Write the proportion equation
   40,436 : 87,746 = 87,746 : x
2. Step 2: Convert to fraction form
   40,436/87,746 = 87,746/x
3. Step 3: Cross multiply
   40,436x = 87,746 × 87,746
4. Step 4: Simplify right side
   40,436x = 7,699,360,516
5. Step 5: Solve for x
   x = 7,699,360,516/40,436
6. Step 6: Final answer
   x = 190,408.56