Finding the Third Proportional to 1,011,308 and 2,172,694

Step by Step Solution

1. Step 1: Write the proportion equation
   1,011,308 : 2,172,694 = 2,172,694 : x
2. Step 2: Convert to fraction form
   1,011,308/2,172,694 = 2,172,694/x
3. Step 3: Cross multiply
   1,011,308x = 2,172,694 × 2,172,694
4. Step 4: Simplify right side
   1,011,308x = 4,720,599,217,636
5. Step 5: Solve for x
   x = 4,720,599,217,636/1,011,308
6. Step 6: Final answer
   x = 4,667,815.56