Finding the Third Proportional to 686,846 and 1,488,028

Step by Step Solution

1. Step 1: Write the proportion equation
   686,846 : 1,488,028 = 1,488,028 : x
2. Step 2: Convert to fraction form
   686,846/1,488,028 = 1,488,028/x
3. Step 3: Cross multiply
   686,846x = 1,488,028 × 1,488,028
4. Step 4: Simplify right side
   686,846x = 2,214,227,328,784
5. Step 5: Solve for x
   x = 2,214,227,328,784/686,846
6. Step 6: Final answer
   x = 3,223,760.97