Finding the Third Proportional to 667,986 and 1,455,858

Step by Step Solution

1. Step 1: Write the proportion equation
   667,986 : 1,455,858 = 1,455,858 : x
2. Step 2: Convert to fraction form
   667,986/1,455,858 = 1,455,858/x
3. Step 3: Cross multiply
   667,986x = 1,455,858 × 1,455,858
4. Step 4: Simplify right side
   667,986x = 2,119,522,516,164
5. Step 5: Solve for x
   x = 2,119,522,516,164/667,986
6. Step 6: Final answer
   x = 3,173,004.40