Finding the Third Proportional to 640,910 and 1,483,667

Step by Step Solution

1. Step 1: Write the proportion equation
   640,910 : 1,483,667 = 1,483,667 : x
2. Step 2: Convert to fraction form
   640,910/1,483,667 = 1,483,667/x
3. Step 3: Cross multiply
   640,910x = 1,483,667 × 1,483,667
4. Step 4: Simplify right side
   640,910x = 2,201,267,766,889
5. Step 5: Solve for x
   x = 2,201,267,766,889/640,910
6. Step 6: Final answer
   x = 3,434,597.32