Finding the Third Proportional to 17,920,996 and 39,325,638

Step by Step Solution

1. Step 1: Write the proportion equation
   17,920,996 : 39,325,638 = 39,325,638 : x
2. Step 2: Convert to fraction form
   17,920,996/39,325,638 = 39,325,638/x
3. Step 3: Cross multiply
   17,920,996x = 39,325,638 × 39,325,638
4. Step 4: Simplify right side
   17,920,996x = 1,546,505,804,107,044
5. Step 5: Solve for x
   x = 1,546,505,804,107,044/17,920,996
6. Step 6: Final answer
   x = 86,295,750.76