Finding the Third Proportional to 16,040,821 and 34,638,447

Step by Step Solution

1. Step 1: Write the proportion equation
   16,040,821 : 34,638,447 = 34,638,447 : x
2. Step 2: Convert to fraction form
   16,040,821/34,638,447 = 34,638,447/x
3. Step 3: Cross multiply
   16,040,821x = 34,638,447 × 34,638,447
4. Step 4: Simplify right side
   16,040,821x = 1,199,822,010,571,809
5. Step 5: Solve for x
   x = 1,199,822,010,571,809/16,040,821
6. Step 6: Final answer
   x = 74,798,042.48