Finding the Third Proportional to 7,229,990 and 10,567,911

Step by Step Solution

1. Step 1: Write the proportion equation
   7,229,990 : 10,567,911 = 10,567,911 : x
2. Step 2: Convert to fraction form
   7,229,990/10,567,911 = 10,567,911/x
3. Step 3: Cross multiply
   7,229,990x = 10,567,911 × 10,567,911
4. Step 4: Simplify right side
   7,229,990x = 111,680,742,903,921
5. Step 5: Solve for x
   x = 111,680,742,903,921/7,229,990
6. Step 6: Final answer
   x = 15,446,873.77