Finding the Third Proportional to 1,668,206 and 3,572,620

Step by Step Solution

1. Step 1: Write the proportion equation
   1,668,206 : 3,572,620 = 3,572,620 : x
2. Step 2: Convert to fraction form
   1,668,206/3,572,620 = 3,572,620/x
3. Step 3: Cross multiply
   1,668,206x = 3,572,620 × 3,572,620
4. Step 4: Simplify right side
   1,668,206x = 12,763,613,664,400
5. Step 5: Solve for x
   x = 12,763,613,664,400/1,668,206
6. Step 6: Final answer
   x = 7,651,101.64