Finding the Third Proportional to 7,031,709 and 10,566,288

Step by Step Solution

1. Step 1: Write the proportion equation
   7,031,709 : 10,566,288 = 10,566,288 : x
2. Step 2: Convert to fraction form
   7,031,709/10,566,288 = 10,566,288/x
3. Step 3: Cross multiply
   7,031,709x = 10,566,288 × 10,566,288
4. Step 4: Simplify right side
   7,031,709x = 111,646,442,098,944
5. Step 5: Solve for x
   x = 111,646,442,098,944/7,031,709
6. Step 6: Final answer
   x = 15,877,568.61