Finding the Third Proportional to 65,799.42 and 105,966.56

Step by Step Solution

1. Step 1: Write the proportion equation
   65,799.42 : 105,966.56 = 105,966.56 : x
2. Step 2: Convert to fraction form
   65,799.42/105,966.56 = 105,966.56/x
3. Step 3: Cross multiply
   65,799.42x = 105,966.56 × 105,966.56
4. Step 4: Simplify right side
   65,799.42x = 11,228,912,368.07
5. Step 5: Solve for x
   x = 11,228,912,368.07/65,799.42
6. Step 6: Final answer
   x = 170,653.66