Finding the Third Proportional to 642,741 and 1,227,162

Step by Step Solution

1. Step 1: Write the proportion equation
   642,741 : 1,227,162 = 1,227,162 : x
2. Step 2: Convert to fraction form
   642,741/1,227,162 = 1,227,162/x
3. Step 3: Cross multiply
   642,741x = 1,227,162 × 1,227,162
4. Step 4: Simplify right side
   642,741x = 1,505,926,574,244
5. Step 5: Solve for x
   x = 1,505,926,574,244/642,741
6. Step 6: Final answer
   x = 2,342,975.75