Finding the Third Proportional to 3,687,090 and 7,668,484

Step by Step Solution

1. Step 1: Write the proportion equation
   3,687,090 : 7,668,484 = 7,668,484 : x
2. Step 2: Convert to fraction form
   3,687,090/7,668,484 = 7,668,484/x
3. Step 3: Cross multiply
   3,687,090x = 7,668,484 × 7,668,484
4. Step 4: Simplify right side
   3,687,090x = 58,805,646,858,256
5. Step 5: Solve for x
   x = 58,805,646,858,256/3,687,090
6. Step 6: Final answer
   x = 15,949,067.38