Finding the Third Proportional to 63,574.45 and 86,339.67

Step by Step Solution

1. Step 1: Write the proportion equation
   63,574.45 : 86,339.67 = 86,339.67 : x
2. Step 2: Convert to fraction form
   63,574.45/86,339.67 = 86,339.67/x
3. Step 3: Cross multiply
   63,574.45x = 86,339.67 × 86,339.67
4. Step 4: Simplify right side
   63,574.45x = 7,454,538,939.48
5. Step 5: Solve for x
   x = 7,454,538,939.48/63,574.45
6. Step 6: Final answer
   x = 117,256.83