Finding the Third Proportional to 158,982 and 349,308

Step by Step Solution

1. Step 1: Write the proportion equation
   158,982 : 349,308 = 349,308 : x
2. Step 2: Convert to fraction form
   158,982/349,308 = 349,308/x
3. Step 3: Cross multiply
   158,982x = 349,308 × 349,308
4. Step 4: Simplify right side
   158,982x = 122,016,078,864
5. Step 5: Solve for x
   x = 122,016,078,864/158,982
6. Step 6: Final answer
   x = 767,483.61