Finding the Third Proportional to 40,931 and 61,145

Step by Step Solution

1. Step 1: Write the proportion equation
   40,931 : 61,145 = 61,145 : x
2. Step 2: Convert to fraction form
   40,931/61,145 = 61,145/x
3. Step 3: Cross multiply
   40,931x = 61,145 × 61,145
4. Step 4: Simplify right side
   40,931x = 3,738,711,025
5. Step 5: Solve for x
   x = 3,738,711,025/40,931
6. Step 6: Final answer
   x = 91,341.80