Finding the Third Proportional to 670,122 and 1,020,978

Step by Step Solution

1. Step 1: Write the proportion equation
   670,122 : 1,020,978 = 1,020,978 : x
2. Step 2: Convert to fraction form
   670,122/1,020,978 = 1,020,978/x
3. Step 3: Cross multiply
   670,122x = 1,020,978 × 1,020,978
4. Step 4: Simplify right side
   670,122x = 1,042,396,076,484
5. Step 5: Solve for x
   x = 1,042,396,076,484/670,122
6. Step 6: Final answer
   x = 1,555,531.79