Finding the Third Proportional to 152,182 and 308,972

Step by Step Solution

1. Step 1: Write the proportion equation
   152,182 : 308,972 = 308,972 : x
2. Step 2: Convert to fraction form
   152,182/308,972 = 308,972/x
3. Step 3: Cross multiply
   152,182x = 308,972 × 308,972
4. Step 4: Simplify right side
   152,182x = 95,463,696,784
5. Step 5: Solve for x
   x = 95,463,696,784/152,182
6. Step 6: Final answer
   x = 627,299.53