Finding the Third Proportional to 749,826 and 1,619,424

Step by Step Solution

1. Step 1: Write the proportion equation
   749,826 : 1,619,424 = 1,619,424 : x
2. Step 2: Convert to fraction form
   749,826/1,619,424 = 1,619,424/x
3. Step 3: Cross multiply
   749,826x = 1,619,424 × 1,619,424
4. Step 4: Simplify right side
   749,826x = 2,622,534,091,776
5. Step 5: Solve for x
   x = 2,622,534,091,776/749,826
6. Step 6: Final answer
   x = 3,497,523.55