Finding the Third Proportional to 3,670,042 and 8,634,841

Step by Step Solution

1. Step 1: Write the proportion equation
   3,670,042 : 8,634,841 = 8,634,841 : x
2. Step 2: Convert to fraction form
   3,670,042/8,634,841 = 8,634,841/x
3. Step 3: Cross multiply
   3,670,042x = 8,634,841 × 8,634,841
4. Step 4: Simplify right side
   3,670,042x = 74,560,479,095,281
5. Step 5: Solve for x
   x = 74,560,479,095,281/3,670,042
6. Step 6: Final answer
   x = 20,315,974.34