Finding the Third Proportional to 192,112.50 and 281,931

Step by Step Solution

1. Step 1: Write the proportion equation
   192,112.50 : 281,931 = 281,931 : x
2. Step 2: Convert to fraction form
   192,112.50/281,931 = 281,931/x
3. Step 3: Cross multiply
   192,112.50x = 281,931 × 281,931
4. Step 4: Simplify right side
   192,112.50x = 79,485,088,761
5. Step 5: Solve for x
   x = 79,485,088,761/192,112.50
6. Step 6: Final answer
   x = 413,742.41