Finding the Third Proportional to 686,845 and 1,488,026

Step by Step Solution

1. Step 1: Write the proportion equation
   686,845 : 1,488,026 = 1,488,026 : x
2. Step 2: Convert to fraction form
   686,845/1,488,026 = 1,488,026/x
3. Step 3: Cross multiply
   686,845x = 1,488,026 × 1,488,026
4. Step 4: Simplify right side
   686,845x = 2,214,221,376,676
5. Step 5: Solve for x
   x = 2,214,221,376,676/686,845
6. Step 6: Final answer
   x = 3,223,757.00