Finding the Third Proportional to 5,246,615 and 7,719,892

Step by Step Solution

1. Step 1: Write the proportion equation
   5,246,615 : 7,719,892 = 7,719,892 : x
2. Step 2: Convert to fraction form
   5,246,615/7,719,892 = 7,719,892/x
3. Step 3: Cross multiply
   5,246,615x = 7,719,892 × 7,719,892
4. Step 4: Simplify right side
   5,246,615x = 59,596,732,491,664
5. Step 5: Solve for x
   x = 59,596,732,491,664/5,246,615
6. Step 6: Final answer
   x = 11,359,082.47