Finding the Third Proportional to 801,501 and 1,686,000

Step by Step Solution

1. Step 1: Write the proportion equation
   801,501 : 1,686,000 = 1,686,000 : x
2. Step 2: Convert to fraction form
   801,501/1,686,000 = 1,686,000/x
3. Step 3: Cross multiply
   801,501x = 1,686,000 × 1,686,000
4. Step 4: Simplify right side
   801,501x = 2,842,596,000,000
5. Step 5: Solve for x
   x = 2,842,596,000,000/801,501
6. Step 6: Final answer
   x = 3,546,590.71