Finding the Third Proportional to 169,678.50 and 353,328

Step by Step Solution

1. Step 1: Write the proportion equation
   169,678.50 : 353,328 = 353,328 : x
2. Step 2: Convert to fraction form
   169,678.50/353,328 = 353,328/x
3. Step 3: Cross multiply
   169,678.50x = 353,328 × 353,328
4. Step 4: Simplify right side
   169,678.50x = 124,840,675,584
5. Step 5: Solve for x
   x = 124,840,675,584/169,678.50
6. Step 6: Final answer
   x = 735,748.35