Finding the Third Proportional to 144,048 and 314,088

Step by Step Solution

1. Step 1: Write the proportion equation
   144,048 : 314,088 = 314,088 : x
2. Step 2: Convert to fraction form
   144,048/314,088 = 314,088/x
3. Step 3: Cross multiply
   144,048x = 314,088 × 314,088
4. Step 4: Simplify right side
   144,048x = 98,651,271,744
5. Step 5: Solve for x
   x = 98,651,271,744/144,048
6. Step 6: Final answer
   x = 684,849.99