Finding the Third Proportional to 354,658.50 and 530,736

Step by Step Solution

1. Step 1: Write the proportion equation
   354,658.50 : 530,736 = 530,736 : x
2. Step 2: Convert to fraction form
   354,658.50/530,736 = 530,736/x
3. Step 3: Cross multiply
   354,658.50x = 530,736 × 530,736
4. Step 4: Simplify right side
   354,658.50x = 281,680,701,696
5. Step 5: Solve for x
   x = 281,680,701,696/354,658.50
6. Step 6: Final answer
   x = 794,230.79