Finding the Third Proportional to 67,477.22 and 143,256.94

Step by Step Solution

1. Step 1: Write the proportion equation
   67,477.22 : 143,256.94 = 143,256.94 : x
2. Step 2: Convert to fraction form
   67,477.22/143,256.94 = 143,256.94/x
3. Step 3: Cross multiply
   67,477.22x = 143,256.94 × 143,256.94
4. Step 4: Simplify right side
   67,477.22x = 20,522,550,141.88
5. Step 5: Solve for x
   x = 20,522,550,141.88/67,477.22
6. Step 6: Final answer
   x = 304,140.43