Finding the Third Proportional to 790,830 and 1,225,570

Step by Step Solution

1. Step 1: Write the proportion equation
   790,830 : 1,225,570 = 1,225,570 : x
2. Step 2: Convert to fraction form
   790,830/1,225,570 = 1,225,570/x
3. Step 3: Cross multiply
   790,830x = 1,225,570 × 1,225,570
4. Step 4: Simplify right side
   790,830x = 1,502,021,824,900
5. Step 5: Solve for x
   x = 1,502,021,824,900/790,830
6. Step 6: Final answer
   x = 1,899,297.98