Finding the Third Proportional to 4,889,484 and 10,620,401

Step by Step Solution

1. Step 1: Write the proportion equation
   4,889,484 : 10,620,401 = 10,620,401 : x
2. Step 2: Convert to fraction form
   4,889,484/10,620,401 = 10,620,401/x
3. Step 3: Cross multiply
   4,889,484x = 10,620,401 × 10,620,401
4. Step 4: Simplify right side
   4,889,484x = 112,792,917,400,801
5. Step 5: Solve for x
   x = 112,792,917,400,801/4,889,484
6. Step 6: Final answer
   x = 23,068,470.50