Finding the Third Proportional to 9,642,897 and 20,084,616

Step by Step Solution

1. Step 1: Write the proportion equation
   9,642,897 : 20,084,616 = 20,084,616 : x
2. Step 2: Convert to fraction form
   9,642,897/20,084,616 = 20,084,616/x
3. Step 3: Cross multiply
   9,642,897x = 20,084,616 × 20,084,616
4. Step 4: Simplify right side
   9,642,897x = 403,391,799,867,456
5. Step 5: Solve for x
   x = 403,391,799,867,456/9,642,897
6. Step 6: Final answer
   x = 41,833,050.78