Finding the Third Proportional to 757,327 and 1,621,040

Step by Step Solution

1. Step 1: Write the proportion equation
   757,327 : 1,621,040 = 1,621,040 : x
2. Step 2: Convert to fraction form
   757,327/1,621,040 = 1,621,040/x
3. Step 3: Cross multiply
   757,327x = 1,621,040 × 1,621,040
4. Step 4: Simplify right side
   757,327x = 2,627,770,681,600
5. Step 5: Solve for x
   x = 2,627,770,681,600/757,327
6. Step 6: Final answer
   x = 3,469,796.64