Finding the Third Proportional to 118,588 and 279,932

Step by Step Solution

1. Step 1: Write the proportion equation
   118,588 : 279,932 = 279,932 : x
2. Step 2: Convert to fraction form
   118,588/279,932 = 279,932/x
3. Step 3: Cross multiply
   118,588x = 279,932 × 279,932
4. Step 4: Simplify right side
   118,588x = 78,361,924,624
5. Step 5: Solve for x
   x = 78,361,924,624/118,588
6. Step 6: Final answer
   x = 660,791.35