Finding the Third Proportional to 160,981.50 and 349,620

Step by Step Solution

1. Step 1: Write the proportion equation
   160,981.50 : 349,620 = 349,620 : x
2. Step 2: Convert to fraction form
   160,981.50/349,620 = 349,620/x
3. Step 3: Cross multiply
   160,981.50x = 349,620 × 349,620
4. Step 4: Simplify right side
   160,981.50x = 122,234,144,400
5. Step 5: Solve for x
   x = 122,234,144,400/160,981.50
6. Step 6: Final answer
   x = 759,305.54