Finding the Third Proportional to 7,069,518 and 10,809,705

Step by Step Solution

1. Step 1: Write the proportion equation
   7,069,518 : 10,809,705 = 10,809,705 : x
2. Step 2: Convert to fraction form
   7,069,518/10,809,705 = 10,809,705/x
3. Step 3: Cross multiply
   7,069,518x = 10,809,705 × 10,809,705
4. Step 4: Simplify right side
   7,069,518x = 116,849,722,187,025
5. Step 5: Solve for x
   x = 116,849,722,187,025/7,069,518
6. Step 6: Final answer
   x = 16,528,668.88