Finding the Third Proportional to 31,975.88 and 67,847.63

Step by Step Solution

1. Step 1: Write the proportion equation
   31,975.88 : 67,847.63 = 67,847.63 : x
2. Step 2: Convert to fraction form
   31,975.88/67,847.63 = 67,847.63/x
3. Step 3: Cross multiply
   31,975.88x = 67,847.63 × 67,847.63
4. Step 4: Simplify right side
   31,975.88x = 4,603,300,218.14
5. Step 5: Solve for x
   x = 4,603,300,218.14/31,975.88
6. Step 6: Final answer
   x = 143,961.67