Finding the Third Proportional to 1,378,703 and 1,985,758

Step by Step Solution

1. Step 1: Write the proportion equation
   1,378,703 : 1,985,758 = 1,985,758 : x
2. Step 2: Convert to fraction form
   1,378,703/1,985,758 = 1,985,758/x
3. Step 3: Cross multiply
   1,378,703x = 1,985,758 × 1,985,758
4. Step 4: Simplify right side
   1,378,703x = 3,943,234,834,564
5. Step 5: Solve for x
   x = 3,943,234,834,564/1,378,703
6. Step 6: Final answer
   x = 2,860,104.63