Finding the Third Proportional to 1,066,613 and 2,176,138

Step by Step Solution

1. Step 1: Write the proportion equation
   1,066,613 : 2,176,138 = 2,176,138 : x
2. Step 2: Convert to fraction form
   1,066,613/2,176,138 = 2,176,138/x
3. Step 3: Cross multiply
   1,066,613x = 2,176,138 × 2,176,138
4. Step 4: Simplify right side
   1,066,613x = 4,735,576,595,044
5. Step 5: Solve for x
   x = 4,735,576,595,044/1,066,613
6. Step 6: Final answer
   x = 4,439,826.44