Finding the Third Proportional to 154,078 and 333,426

Step by Step Solution

1. Step 1: Write the proportion equation
   154,078 : 333,426 = 333,426 : x
2. Step 2: Convert to fraction form
   154,078/333,426 = 333,426/x
3. Step 3: Cross multiply
   154,078x = 333,426 × 333,426
4. Step 4: Simplify right side
   154,078x = 111,172,897,476
5. Step 5: Solve for x
   x = 111,172,897,476/154,078
6. Step 6: Final answer
   x = 721,536.48