Finding the Third Proportional to 825,554 and 1,686,100

Step by Step Solution

1. Step 1: Write the proportion equation
   825,554 : 1,686,100 = 1,686,100 : x
2. Step 2: Convert to fraction form
   825,554/1,686,100 = 1,686,100/x
3. Step 3: Cross multiply
   825,554x = 1,686,100 × 1,686,100
4. Step 4: Simplify right side
   825,554x = 2,842,933,210,000
5. Step 5: Solve for x
   x = 2,842,933,210,000/825,554
6. Step 6: Final answer
   x = 3,443,667.17