Finding the Third Proportional to 87,443.72 and 139,050.84

Step by Step Solution

1. Step 1: Write the proportion equation
   87,443.72 : 139,050.84 = 139,050.84 : x
2. Step 2: Convert to fraction form
   87,443.72/139,050.84 = 139,050.84/x
3. Step 3: Cross multiply
   87,443.72x = 139,050.84 × 139,050.84
4. Step 4: Simplify right side
   87,443.72x = 19,335,137,147.59
5. Step 5: Solve for x
   x = 19,335,137,147.59/87,443.72
6. Step 6: Final answer
   x = 221,115.22