Finding the Third Proportional to 67,729.88 and 105,472.69

Step by Step Solution

1. Step 1: Write the proportion equation
   67,729.88 : 105,472.69 = 105,472.69 : x
2. Step 2: Convert to fraction form
   67,729.88/105,472.69 = 105,472.69/x
3. Step 3: Cross multiply
   67,729.88x = 105,472.69 × 105,472.69
4. Step 4: Simplify right side
   67,729.88x = 11,124,487,808.47
5. Step 5: Solve for x
   x = 11,124,487,808.47/67,729.88
6. Step 6: Final answer
   x = 164,247.87