Finding the Third Proportional to 67,493 and 147,699

Step by Step Solution

1. Step 1: Write the proportion equation
   67,493 : 147,699 = 147,699 : x
2. Step 2: Convert to fraction form
   67,493/147,699 = 147,699/x
3. Step 3: Cross multiply
   67,493x = 147,699 × 147,699
4. Step 4: Simplify right side
   67,493x = 21,814,994,601
5. Step 5: Solve for x
   x = 21,814,994,601/67,493
6. Step 6: Final answer
   x = 323,218.62