Finding the Third Proportional to 1,072,668 and 1,590,448

Step by Step Solution

1. Step 1: Write the proportion equation
   1,072,668 : 1,590,448 = 1,590,448 : x
2. Step 2: Convert to fraction form
   1,072,668/1,590,448 = 1,590,448/x
3. Step 3: Cross multiply
   1,072,668x = 1,590,448 × 1,590,448
4. Step 4: Simplify right side
   1,072,668x = 2,529,524,840,704
5. Step 5: Solve for x
   x = 2,529,524,840,704/1,072,668
6. Step 6: Final answer
   x = 2,358,161.93