Finding the Third Proportional to 3,564,628 and 7,697,434

Step by Step Solution

1. Step 1: Write the proportion equation
   3,564,628 : 7,697,434 = 7,697,434 : x
2. Step 2: Convert to fraction form
   3,564,628/7,697,434 = 7,697,434/x
3. Step 3: Cross multiply
   3,564,628x = 7,697,434 × 7,697,434
4. Step 4: Simplify right side
   3,564,628x = 59,250,490,184,356
5. Step 5: Solve for x
   x = 59,250,490,184,356/3,564,628
6. Step 6: Final answer
   x = 16,621,787.80