Finding the Third Proportional to 341,778 and 736,144

Step by Step Solution

1. Step 1: Write the proportion equation
   341,778 : 736,144 = 736,144 : x
2. Step 2: Convert to fraction form
   341,778/736,144 = 736,144/x
3. Step 3: Cross multiply
   341,778x = 736,144 × 736,144
4. Step 4: Simplify right side
   341,778x = 541,907,988,736
5. Step 5: Solve for x
   x = 541,907,988,736/341,778
6. Step 6: Final answer
   x = 1,585,555.50