Finding the Third Proportional to 67,602.78 and 105,091.56

Step by Step Solution

1. Step 1: Write the proportion equation
   67,602.78 : 105,091.56 = 105,091.56 : x
2. Step 2: Convert to fraction form
   67,602.78/105,091.56 = 105,091.56/x
3. Step 3: Cross multiply
   67,602.78x = 105,091.56 × 105,091.56
4. Step 4: Simplify right side
   67,602.78x = 11,044,236,508.69
5. Step 5: Solve for x
   x = 11,044,236,508.69/67,602.78
6. Step 6: Final answer
   x = 163,369.56