Finding the Third Proportional to 363,566 and 760,540

Step by Step Solution

1. Step 1: Write the proportion equation
   363,566 : 760,540 = 760,540 : x
2. Step 2: Convert to fraction form
   363,566/760,540 = 760,540/x
3. Step 3: Cross multiply
   363,566x = 760,540 × 760,540
4. Step 4: Simplify right side
   363,566x = 578,421,091,600
5. Step 5: Solve for x
   x = 578,421,091,600/363,566
6. Step 6: Final answer
   x = 1,590,965.85