Finding the Third Proportional to 3,670,027 and 8,634,860

Step by Step Solution

1. Step 1: Write the proportion equation
   3,670,027 : 8,634,860 = 8,634,860 : x
2. Step 2: Convert to fraction form
   3,670,027/8,634,860 = 8,634,860/x
3. Step 3: Cross multiply
   3,670,027x = 8,634,860 × 8,634,860
4. Step 4: Simplify right side
   3,670,027x = 74,560,807,219,600
5. Step 5: Solve for x
   x = 74,560,807,219,600/3,670,027
6. Step 6: Final answer
   x = 20,316,146.78