Finding the Third Proportional to 139,968 and 144,000.28

Step by Step Solution

1. Step 1: Write the proportion equation
   139,968 : 144,000.28 = 144,000.28 : x
2. Step 2: Convert to fraction form
   139,968/144,000.28 = 144,000.28/x
3. Step 3: Cross multiply
   139,968x = 144,000.28 × 144,000.28
4. Step 4: Simplify right side
   139,968x = 20,736,081,000.08
5. Step 5: Solve for x
   x = 20,736,081,000.08/139,968
6. Step 6: Final answer
   x = 148,148.73