Finding the Third Proportional to 686,532 and 1,435,800

Step by Step Solution

1. Step 1: Write the proportion equation
   686,532 : 1,435,800 = 1,435,800 : x
2. Step 2: Convert to fraction form
   686,532/1,435,800 = 1,435,800/x
3. Step 3: Cross multiply
   686,532x = 1,435,800 × 1,435,800
4. Step 4: Simplify right side
   686,532x = 2,061,521,640,000
5. Step 5: Solve for x
   x = 2,061,521,640,000/686,532
6. Step 6: Final answer
   x = 3,002,804.88