Finding the Third Proportional to 16,040,816 and 34,638,436

Step by Step Solution

1. Step 1: Write the proportion equation
   16,040,816 : 34,638,436 = 34,638,436 : x
2. Step 2: Convert to fraction form
   16,040,816/34,638,436 = 34,638,436/x
3. Step 3: Cross multiply
   16,040,816x = 34,638,436 × 34,638,436
4. Step 4: Simplify right side
   16,040,816x = 1,199,821,248,526,096
5. Step 5: Solve for x
   x = 1,199,821,248,526,096/16,040,816
6. Step 6: Final answer
   x = 74,798,018.29