Finding the Third Proportional to 67,422 and 105,757.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,422 : 105,757.50 = 105,757.50 : x
2. Step 2: Convert to fraction form
   67,422/105,757.50 = 105,757.50/x
3. Step 3: Cross multiply
   67,422x = 105,757.50 × 105,757.50
4. Step 4: Simplify right side
   67,422x = 11,184,648,806.25
5. Step 5: Solve for x
   x = 11,184,648,806.25/67,422
6. Step 6: Final answer
   x = 165,890.20