Finding the Third Proportional to 152,968 and 336,192

Step by Step Solution

1. Step 1: Write the proportion equation
   152,968 : 336,192 = 336,192 : x
2. Step 2: Convert to fraction form
   152,968/336,192 = 336,192/x
3. Step 3: Cross multiply
   152,968x = 336,192 × 336,192
4. Step 4: Simplify right side
   152,968x = 113,025,060,864
5. Step 5: Solve for x
   x = 113,025,060,864/152,968
6. Step 6: Final answer
   x = 738,880.43