Finding the Third Proportional to 67,861.13 and 105,669.56

Step by Step Solution

1. Step 1: Write the proportion equation
   67,861.13 : 105,669.56 = 105,669.56 : x
2. Step 2: Convert to fraction form
   67,861.13/105,669.56 = 105,669.56/x
3. Step 3: Cross multiply
   67,861.13x = 105,669.56 × 105,669.56
4. Step 4: Simplify right side
   67,861.13x = 11,166,056,438.94
5. Step 5: Solve for x
   x = 11,166,056,438.94/67,861.13
6. Step 6: Final answer
   x = 164,542.75