Finding the Third Proportional to 358,048 and 780,004

Step by Step Solution

1. Step 1: Write the proportion equation
   358,048 : 780,004 = 780,004 : x
2. Step 2: Convert to fraction form
   358,048/780,004 = 780,004/x
3. Step 3: Cross multiply
   358,048x = 780,004 × 780,004
4. Step 4: Simplify right side
   358,048x = 608,406,240,016
5. Step 5: Solve for x
   x = 608,406,240,016/358,048
6. Step 6: Final answer
   x = 1,699,230.94