Finding the Third Proportional to 105,397.50 and 228,291

Step by Step Solution

1. Step 1: Write the proportion equation
   105,397.50 : 228,291 = 228,291 : x
2. Step 2: Convert to fraction form
   105,397.50/228,291 = 228,291/x
3. Step 3: Cross multiply
   105,397.50x = 228,291 × 228,291
4. Step 4: Simplify right side
   105,397.50x = 52,116,780,681
5. Step 5: Solve for x
   x = 52,116,780,681/105,397.50
6. Step 6: Final answer
   x = 494,478.34