Finding the Third Proportional to 83,443.50 and 105,725.25

Step by Step Solution

1. Step 1: Write the proportion equation
   83,443.50 : 105,725.25 = 105,725.25 : x
2. Step 2: Convert to fraction form
   83,443.50/105,725.25 = 105,725.25/x
3. Step 3: Cross multiply
   83,443.50x = 105,725.25 × 105,725.25
4. Step 4: Simplify right side
   83,443.50x = 11,177,828,487.56
5. Step 5: Solve for x
   x = 11,177,828,487.56/83,443.50
6. Step 6: Final answer
   x = 133,956.85