Finding the Third Proportional to 976,680 and 2,028,210

Step by Step Solution

1. Step 1: Write the proportion equation
   976,680 : 2,028,210 = 2,028,210 : x
2. Step 2: Convert to fraction form
   976,680/2,028,210 = 2,028,210/x
3. Step 3: Cross multiply
   976,680x = 2,028,210 × 2,028,210
4. Step 4: Simplify right side
   976,680x = 4,113,635,804,100
5. Step 5: Solve for x
   x = 4,113,635,804,100/976,680
6. Step 6: Final answer
   x = 4,211,856.29