Finding the Third Proportional to 230,782 and 484,890

Step by Step Solution

1. Step 1: Write the proportion equation
   230,782 : 484,890 = 484,890 : x
2. Step 2: Convert to fraction form
   230,782/484,890 = 484,890/x
3. Step 3: Cross multiply
   230,782x = 484,890 × 484,890
4. Step 4: Simplify right side
   230,782x = 235,118,312,100
5. Step 5: Solve for x
   x = 235,118,312,100/230,782
6. Step 6: Final answer
   x = 1,018,789.65