Finding the Third Proportional to 118,028 and 259,384

Step by Step Solution

1. Step 1: Write the proportion equation
   118,028 : 259,384 = 259,384 : x
2. Step 2: Convert to fraction form
   118,028/259,384 = 259,384/x
3. Step 3: Cross multiply
   118,028x = 259,384 × 259,384
4. Step 4: Simplify right side
   118,028x = 67,280,059,456
5. Step 5: Solve for x
   x = 67,280,059,456/118,028
6. Step 6: Final answer
   x = 570,034.73