Finding the Third Proportional to 200,456 and 301,260

Step by Step Solution

1. Step 1: Write the proportion equation
   200,456 : 301,260 = 301,260 : x
2. Step 2: Convert to fraction form
   200,456/301,260 = 301,260/x
3. Step 3: Cross multiply
   200,456x = 301,260 × 301,260
4. Step 4: Simplify right side
   200,456x = 90,757,587,600
5. Step 5: Solve for x
   x = 90,757,587,600/200,456
6. Step 6: Final answer
   x = 452,755.66