Finding the Third Proportional to 679,968 and 1,479,168

Step by Step Solution

1. Step 1: Write the proportion equation
   679,968 : 1,479,168 = 1,479,168 : x
2. Step 2: Convert to fraction form
   679,968/1,479,168 = 1,479,168/x
3. Step 3: Cross multiply
   679,968x = 1,479,168 × 1,479,168
4. Step 4: Simplify right side
   679,968x = 2,187,937,972,224
5. Step 5: Solve for x
   x = 2,187,937,972,224/679,968
6. Step 6: Final answer
   x = 3,217,707.26