Finding the Third Proportional to 742,146 and 1,111,279

Step by Step Solution

1. Step 1: Write the proportion equation
   742,146 : 1,111,279 = 1,111,279 : x
2. Step 2: Convert to fraction form
   742,146/1,111,279 = 1,111,279/x
3. Step 3: Cross multiply
   742,146x = 1,111,279 × 1,111,279
4. Step 4: Simplify right side
   742,146x = 1,234,941,015,841
5. Step 5: Solve for x
   x = 1,234,941,015,841/742,146
6. Step 6: Final answer
   x = 1,664,013.57