Finding the Third Proportional to 105,961.50 and 229,131

Step by Step Solution

1. Step 1: Write the proportion equation
   105,961.50 : 229,131 = 229,131 : x
2. Step 2: Convert to fraction form
   105,961.50/229,131 = 229,131/x
3. Step 3: Cross multiply
   105,961.50x = 229,131 × 229,131
4. Step 4: Simplify right side
   105,961.50x = 52,501,015,161
5. Step 5: Solve for x
   x = 52,501,015,161/105,961.50
6. Step 6: Final answer
   x = 495,472.56