Finding the Third Proportional to 668,155 and 1,456,910

Step by Step Solution

1. Step 1: Write the proportion equation
   668,155 : 1,456,910 = 1,456,910 : x
2. Step 2: Convert to fraction form
   668,155/1,456,910 = 1,456,910/x
3. Step 3: Cross multiply
   668,155x = 1,456,910 × 1,456,910
4. Step 4: Simplify right side
   668,155x = 2,122,586,748,100
5. Step 5: Solve for x
   x = 2,122,586,748,100/668,155
6. Step 6: Final answer
   x = 3,176,787.94