Finding the Third Proportional to 67,848 and 146,990

Step by Step Solution

1. Step 1: Write the proportion equation
   67,848 : 146,990 = 146,990 : x
2. Step 2: Convert to fraction form
   67,848/146,990 = 146,990/x
3. Step 3: Cross multiply
   67,848x = 146,990 × 146,990
4. Step 4: Simplify right side
   67,848x = 21,606,060,100
5. Step 5: Solve for x
   x = 21,606,060,100/67,848
6. Step 6: Final answer
   x = 318,448.00