Finding the Third Proportional to 3,670,074 and 8,634,960

Step by Step Solution

1. Step 1: Write the proportion equation
   3,670,074 : 8,634,960 = 8,634,960 : x
2. Step 2: Convert to fraction form
   3,670,074/8,634,960 = 8,634,960/x
3. Step 3: Cross multiply
   3,670,074x = 8,634,960 × 8,634,960
4. Step 4: Simplify right side
   3,670,074x = 74,562,534,201,600
5. Step 5: Solve for x
   x = 74,562,534,201,600/3,670,074
6. Step 6: Final answer
   x = 20,316,357.16