Finding the Third Proportional to 51,864.50 and 105,631

Step by Step Solution

1. Step 1: Write the proportion equation
   51,864.50 : 105,631 = 105,631 : x
2. Step 2: Convert to fraction form
   51,864.50/105,631 = 105,631/x
3. Step 3: Cross multiply
   51,864.50x = 105,631 × 105,631
4. Step 4: Simplify right side
   51,864.50x = 11,157,908,161
5. Step 5: Solve for x
   x = 11,157,908,161/51,864.50
6. Step 6: Final answer
   x = 215,135.75