Finding the Third Proportional to 1,668,270 and 3,642,348

Step by Step Solution

1. Step 1: Write the proportion equation
   1,668,270 : 3,642,348 = 3,642,348 : x
2. Step 2: Convert to fraction form
   1,668,270/3,642,348 = 3,642,348/x
3. Step 3: Cross multiply
   1,668,270x = 3,642,348 × 3,642,348
4. Step 4: Simplify right side
   1,668,270x = 13,266,698,953,104
5. Step 5: Solve for x
   x = 13,266,698,953,104/1,668,270
6. Step 6: Final answer
   x = 7,952,369.19