Finding the Third Proportional to 3,645,735 and 7,977,945

Step by Step Solution

1. Step 1: Write the proportion equation
   3,645,735 : 7,977,945 = 7,977,945 : x
2. Step 2: Convert to fraction form
   3,645,735/7,977,945 = 7,977,945/x
3. Step 3: Cross multiply
   3,645,735x = 7,977,945 × 7,977,945
4. Step 4: Simplify right side
   3,645,735x = 63,647,606,423,025
5. Step 5: Solve for x
   x = 63,647,606,423,025/3,645,735
6. Step 6: Final answer
   x = 17,458,100.06