Finding the Third Proportional to 668,192 and 1,456,980

Step by Step Solution

1. Step 1: Write the proportion equation
   668,192 : 1,456,980 = 1,456,980 : x
2. Step 2: Convert to fraction form
   668,192/1,456,980 = 1,456,980/x
3. Step 3: Cross multiply
   668,192x = 1,456,980 × 1,456,980
4. Step 4: Simplify right side
   668,192x = 2,122,790,720,400
5. Step 5: Solve for x
   x = 2,122,790,720,400/668,192
6. Step 6: Final answer
   x = 3,176,917.29