Finding the Third Proportional to 359,007 and 729,786

Step by Step Solution

1. Step 1: Write the proportion equation
   359,007 : 729,786 = 729,786 : x
2. Step 2: Convert to fraction form
   359,007/729,786 = 729,786/x
3. Step 3: Cross multiply
   359,007x = 729,786 × 729,786
4. Step 4: Simplify right side
   359,007x = 532,587,605,796
5. Step 5: Solve for x
   x = 532,587,605,796/359,007
6. Step 6: Final answer
   x = 1,483,502.01