Finding the Third Proportional to 607,990 and 1,319,822

Step by Step Solution

1. Step 1: Write the proportion equation
   607,990 : 1,319,822 = 1,319,822 : x
2. Step 2: Convert to fraction form
   607,990/1,319,822 = 1,319,822/x
3. Step 3: Cross multiply
   607,990x = 1,319,822 × 1,319,822
4. Step 4: Simplify right side
   607,990x = 1,741,930,111,684
5. Step 5: Solve for x
   x = 1,741,930,111,684/607,990
6. Step 6: Final answer
   x = 2,865,063.75