Finding the Third Proportional to 105,999.75 and 151,731

Step by Step Solution

1. Step 1: Write the proportion equation
   105,999.75 : 151,731 = 151,731 : x
2. Step 2: Convert to fraction form
   105,999.75/151,731 = 151,731/x
3. Step 3: Cross multiply
   105,999.75x = 151,731 × 151,731
4. Step 4: Simplify right side
   105,999.75x = 23,022,296,361
5. Step 5: Solve for x
   x = 23,022,296,361/105,999.75
6. Step 6: Final answer
   x = 217,191.99