Finding the Third Proportional to 1,282,123 and 2,742,122

Step by Step Solution

1. Step 1: Write the proportion equation
   1,282,123 : 2,742,122 = 2,742,122 : x
2. Step 2: Convert to fraction form
   1,282,123/2,742,122 = 2,742,122/x
3. Step 3: Cross multiply
   1,282,123x = 2,742,122 × 2,742,122
4. Step 4: Simplify right side
   1,282,123x = 7,519,233,062,884
5. Step 5: Solve for x
   x = 7,519,233,062,884/1,282,123
6. Step 6: Final answer
   x = 5,864,673.72