Finding the Third Proportional to 67,410.56 and 146,885.91

Step by Step Solution

1. Step 1: Write the proportion equation
   67,410.56 : 146,885.91 = 146,885.91 : x
2. Step 2: Convert to fraction form
   67,410.56/146,885.91 = 146,885.91/x
3. Step 3: Cross multiply
   67,410.56x = 146,885.91 × 146,885.91
4. Step 4: Simplify right side
   67,410.56x = 21,575,469,454.88
5. Step 5: Solve for x
   x = 21,575,469,454.88/67,410.56
6. Step 6: Final answer
   x = 320,060.66