Finding the Third Proportional to 688,596 and 1,485,960

Step by Step Solution

1. Step 1: Write the proportion equation
   688,596 : 1,485,960 = 1,485,960 : x
2. Step 2: Convert to fraction form
   688,596/1,485,960 = 1,485,960/x
3. Step 3: Cross multiply
   688,596x = 1,485,960 × 1,485,960
4. Step 4: Simplify right side
   688,596x = 2,208,077,121,600
5. Step 5: Solve for x
   x = 2,208,077,121,600/688,596
6. Step 6: Final answer
   x = 3,206,636.58