Finding the Third Proportional to 1,428,147 and 2,087,488

Step by Step Solution

1. Step 1: Write the proportion equation
   1,428,147 : 2,087,488 = 2,087,488 : x
2. Step 2: Convert to fraction form
   1,428,147/2,087,488 = 2,087,488/x
3. Step 3: Cross multiply
   1,428,147x = 2,087,488 × 2,087,488
4. Step 4: Simplify right side
   1,428,147x = 4,357,606,150,144
5. Step 5: Solve for x
   x = 4,357,606,150,144/1,428,147
6. Step 6: Final answer
   x = 3,051,230.83