Finding the Third Proportional to 222,758 and 480,292

Step by Step Solution

1. Step 1: Write the proportion equation
   222,758 : 480,292 = 480,292 : x
2. Step 2: Convert to fraction form
   222,758/480,292 = 480,292/x
3. Step 3: Cross multiply
   222,758x = 480,292 × 480,292
4. Step 4: Simplify right side
   222,758x = 230,680,405,264
5. Step 5: Solve for x
   x = 230,680,405,264/222,758
6. Step 6: Final answer
   x = 1,035,565.08