Finding the Third Proportional to 3,670,042 and 8,634,897

Step by Step Solution

1. Step 1: Write the proportion equation
   3,670,042 : 8,634,897 = 8,634,897 : x
2. Step 2: Convert to fraction form
   3,670,042/8,634,897 = 8,634,897/x
3. Step 3: Cross multiply
   3,670,042x = 8,634,897 × 8,634,897
4. Step 4: Simplify right side
   3,670,042x = 74,561,446,200,609
5. Step 5: Solve for x
   x = 74,561,446,200,609/3,670,042
6. Step 6: Final answer
   x = 20,316,237.85