Finding the Third Proportional to 154,178 and 336,298

Step by Step Solution

1. Step 1: Write the proportion equation
   154,178 : 336,298 = 336,298 : x
2. Step 2: Convert to fraction form
   154,178/336,298 = 336,298/x
3. Step 3: Cross multiply
   154,178x = 336,298 × 336,298
4. Step 4: Simplify right side
   154,178x = 113,096,344,804
5. Step 5: Solve for x
   x = 113,096,344,804/154,178
6. Step 6: Final answer
   x = 733,543.99