Finding the Third Proportional to 1,686,673 and 3,614,402

Step by Step Solution

1. Step 1: Write the proportion equation
   1,686,673 : 3,614,402 = 3,614,402 : x
2. Step 2: Convert to fraction form
   1,686,673/3,614,402 = 3,614,402/x
3. Step 3: Cross multiply
   1,686,673x = 3,614,402 × 3,614,402
4. Step 4: Simplify right side
   1,686,673x = 13,063,901,817,604
5. Step 5: Solve for x
   x = 13,063,901,817,604/1,686,673
6. Step 6: Final answer
   x = 7,745,367.25