Finding the Third Proportional to 1,808,860 and 3,932,648

Step by Step Solution

1. Step 1: Write the proportion equation
   1,808,860 : 3,932,648 = 3,932,648 : x
2. Step 2: Convert to fraction form
   1,808,860/3,932,648 = 3,932,648/x
3. Step 3: Cross multiply
   1,808,860x = 3,932,648 × 3,932,648
4. Step 4: Simplify right side
   1,808,860x = 15,465,720,291,904
5. Step 5: Solve for x
   x = 15,465,720,291,904/1,808,860
6. Step 6: Final answer
   x = 8,549,981.92