Finding the Third Proportional to 3,564,636 and 7,697,448

Step by Step Solution

1. Step 1: Write the proportion equation
   3,564,636 : 7,697,448 = 7,697,448 : x
2. Step 2: Convert to fraction form
   3,564,636/7,697,448 = 7,697,448/x
3. Step 3: Cross multiply
   3,564,636x = 7,697,448 × 7,697,448
4. Step 4: Simplify right side
   3,564,636x = 59,250,705,712,704
5. Step 5: Solve for x
   x = 59,250,705,712,704/3,564,636
6. Step 6: Final answer
   x = 16,621,810.95