Finding the Third Proportional to 621,726 and 1,341,462

Step by Step Solution

1. Step 1: Write the proportion equation
   621,726 : 1,341,462 = 1,341,462 : x
2. Step 2: Convert to fraction form
   621,726/1,341,462 = 1,341,462/x
3. Step 3: Cross multiply
   621,726x = 1,341,462 × 1,341,462
4. Step 4: Simplify right side
   621,726x = 1,799,520,297,444
5. Step 5: Solve for x
   x = 1,799,520,297,444/621,726
6. Step 6: Final answer
   x = 2,894,394.47