Finding the Third Proportional to 1,666,284 and 3,585,720

Step by Step Solution

1. Step 1: Write the proportion equation
   1,666,284 : 3,585,720 = 3,585,720 : x
2. Step 2: Convert to fraction form
   1,666,284/3,585,720 = 3,585,720/x
3. Step 3: Cross multiply
   1,666,284x = 3,585,720 × 3,585,720
4. Step 4: Simplify right side
   1,666,284x = 12,857,387,918,400
5. Step 5: Solve for x
   x = 12,857,387,918,400/1,666,284
6. Step 6: Final answer
   x = 7,716,204.39