Finding the Third Proportional to 72,040 and 106,196.75

Step by Step Solution

1. Step 1: Write the proportion equation
   72,040 : 106,196.75 = 106,196.75 : x
2. Step 2: Convert to fraction form
   72,040/106,196.75 = 106,196.75/x
3. Step 3: Cross multiply
   72,040x = 106,196.75 × 106,196.75
4. Step 4: Simplify right side
   72,040x = 11,277,749,710.56
5. Step 5: Solve for x
   x = 11,277,749,710.56/72,040
6. Step 6: Final answer
   x = 156,548.44