Finding the Third Proportional to 42,443.25 and 87,576.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,443.25 : 87,576.75 = 87,576.75 : x
2. Step 2: Convert to fraction form
   42,443.25/87,576.75 = 87,576.75/x
3. Step 3: Cross multiply
   42,443.25x = 87,576.75 × 87,576.75
4. Step 4: Simplify right side
   42,443.25x = 7,669,687,140.56
5. Step 5: Solve for x
   x = 7,669,687,140.56/42,443.25
6. Step 6: Final answer
   x = 180,704.52