Finding the Third Proportional to 350,892 and 738,451.69

Step by Step Solution

1. Step 1: Write the proportion equation
   350,892 : 738,451.69 = 738,451.69 : x
2. Step 2: Convert to fraction form
   350,892/738,451.69 = 738,451.69/x
3. Step 3: Cross multiply
   350,892x = 738,451.69 × 738,451.69
4. Step 4: Simplify right side
   350,892x = 545,310,894,771.60
5. Step 5: Solve for x
   x = 545,310,894,771.60/350,892
6. Step 6: Final answer
   x = 1,554,070.47