Finding the Third Proportional to 148,968 and 324,180

Step by Step Solution

1. Step 1: Write the proportion equation
   148,968 : 324,180 = 324,180 : x
2. Step 2: Convert to fraction form
   148,968/324,180 = 324,180/x
3. Step 3: Cross multiply
   148,968x = 324,180 × 324,180
4. Step 4: Simplify right side
   148,968x = 105,092,672,400
5. Step 5: Solve for x
   x = 105,092,672,400/148,968
6. Step 6: Final answer
   x = 705,471.46