Finding the Third Proportional to 628,980 and 1,381,516

Step by Step Solution

1. Step 1: Write the proportion equation
   628,980 : 1,381,516 = 1,381,516 : x
2. Step 2: Convert to fraction form
   628,980/1,381,516 = 1,381,516/x
3. Step 3: Cross multiply
   628,980x = 1,381,516 × 1,381,516
4. Step 4: Simplify right side
   628,980x = 1,908,586,458,256
5. Step 5: Solve for x
   x = 1,908,586,458,256/628,980
6. Step 6: Final answer
   x = 3,034,415.18