Finding the Third Proportional to 152,958 and 336,174

Step by Step Solution

1. Step 1: Write the proportion equation
   152,958 : 336,174 = 336,174 : x
2. Step 2: Convert to fraction form
   152,958/336,174 = 336,174/x
3. Step 3: Cross multiply
   152,958x = 336,174 × 336,174
4. Step 4: Simplify right side
   152,958x = 113,012,958,276
5. Step 5: Solve for x
   x = 113,012,958,276/152,958
6. Step 6: Final answer
   x = 738,849.61