Finding the Third Proportional to 1,828,488 and 2,789,142

Step by Step Solution

1. Step 1: Write the proportion equation
   1,828,488 : 2,789,142 = 2,789,142 : x
2. Step 2: Convert to fraction form
   1,828,488/2,789,142 = 2,789,142/x
3. Step 3: Cross multiply
   1,828,488x = 2,789,142 × 2,789,142
4. Step 4: Simplify right side
   1,828,488x = 7,779,313,096,164
5. Step 5: Solve for x
   x = 7,779,313,096,164/1,828,488
6. Step 6: Final answer
   x = 4,254,505.96