Finding the Third Proportional to 40,939 and 61,155

Step by Step Solution

1. Step 1: Write the proportion equation
   40,939 : 61,155 = 61,155 : x
2. Step 2: Convert to fraction form
   40,939/61,155 = 61,155/x
3. Step 3: Cross multiply
   40,939x = 61,155 × 61,155
4. Step 4: Simplify right side
   40,939x = 3,739,934,025
5. Step 5: Solve for x
   x = 3,739,934,025/40,939
6. Step 6: Final answer
   x = 91,353.82