Finding the Third Proportional to 3,645,436 and 7,977,401

Step by Step Solution

1. Step 1: Write the proportion equation
   3,645,436 : 7,977,401 = 7,977,401 : x
2. Step 2: Convert to fraction form
   3,645,436/7,977,401 = 7,977,401/x
3. Step 3: Cross multiply
   3,645,436x = 7,977,401 × 7,977,401
4. Step 4: Simplify right side
   3,645,436x = 63,638,926,714,801
5. Step 5: Solve for x
   x = 63,638,926,714,801/3,645,436
6. Step 6: Final answer
   x = 17,457,151.00