Finding the Third Proportional to 68,046 and 144,190.50

Step by Step Solution

1. Step 1: Write the proportion equation
   68,046 : 144,190.50 = 144,190.50 : x
2. Step 2: Convert to fraction form
   68,046/144,190.50 = 144,190.50/x
3. Step 3: Cross multiply
   68,046x = 144,190.50 × 144,190.50
4. Step 4: Simplify right side
   68,046x = 20,790,900,290.25
5. Step 5: Solve for x
   x = 20,790,900,290.25/68,046
6. Step 6: Final answer
   x = 305,541.84