Finding the Third Proportional to 43,889.50 and 85,589.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,889.50 : 85,589.50 = 85,589.50 : x
2. Step 2: Convert to fraction form
   43,889.50/85,589.50 = 85,589.50/x
3. Step 3: Cross multiply
   43,889.50x = 85,589.50 × 85,589.50
4. Step 4: Simplify right side
   43,889.50x = 7,325,562,510.25
5. Step 5: Solve for x
   x = 7,325,562,510.25/43,889.50
6. Step 6: Final answer
   x = 166,909.23