Finding the Third Proportional to 647,826 and 1,337,148

Step by Step Solution

1. Step 1: Write the proportion equation
   647,826 : 1,337,148 = 1,337,148 : x
2. Step 2: Convert to fraction form
   647,826/1,337,148 = 1,337,148/x
3. Step 3: Cross multiply
   647,826x = 1,337,148 × 1,337,148
4. Step 4: Simplify right side
   647,826x = 1,787,964,773,904
5. Step 5: Solve for x
   x = 1,787,964,773,904/647,826
6. Step 6: Final answer
   x = 2,759,945.99