Finding the Third Proportional to 3,670,034 and 8,634,878

Step by Step Solution

1. Step 1: Write the proportion equation
   3,670,034 : 8,634,878 = 8,634,878 : x
2. Step 2: Convert to fraction form
   3,670,034/8,634,878 = 8,634,878/x
3. Step 3: Cross multiply
   3,670,034x = 8,634,878 × 8,634,878
4. Step 4: Simplify right side
   3,670,034x = 74,561,118,074,884
5. Step 5: Solve for x
   x = 74,561,118,074,884/3,670,034
6. Step 6: Final answer
   x = 20,316,192.73