Finding the Third Proportional to 3,645,732 and 7,977,939

Step by Step Solution

1. Step 1: Write the proportion equation
   3,645,732 : 7,977,939 = 7,977,939 : x
2. Step 2: Convert to fraction form
   3,645,732/7,977,939 = 7,977,939/x
3. Step 3: Cross multiply
   3,645,732x = 7,977,939 × 7,977,939
4. Step 4: Simplify right side
   3,645,732x = 63,647,510,687,721
5. Step 5: Solve for x
   x = 63,647,510,687,721/3,645,732
6. Step 6: Final answer
   x = 17,458,088.17