Finding the Third Proportional to 144,080 and 207,550

Step by Step Solution

1. Step 1: Write the proportion equation
   144,080 : 207,550 = 207,550 : x
2. Step 2: Convert to fraction form
   144,080/207,550 = 207,550/x
3. Step 3: Cross multiply
   144,080x = 207,550 × 207,550
4. Step 4: Simplify right side
   144,080x = 43,077,002,500
5. Step 5: Solve for x
   x = 43,077,002,500/144,080
6. Step 6: Final answer
   x = 298,979.75