Finding the Third Proportional to 225,658 and 480,292

Step by Step Solution

1. Step 1: Write the proportion equation
   225,658 : 480,292 = 480,292 : x
2. Step 2: Convert to fraction form
   225,658/480,292 = 480,292/x
3. Step 3: Cross multiply
   225,658x = 480,292 × 480,292
4. Step 4: Simplify right side
   225,658x = 230,680,405,264
5. Step 5: Solve for x
   x = 230,680,405,264/225,658
6. Step 6: Final answer
   x = 1,022,256.71