Finding the Third Proportional to 1,003,400 and 2,142,876

Step by Step Solution

1. Step 1: Write the proportion equation
   1,003,400 : 2,142,876 = 2,142,876 : x
2. Step 2: Convert to fraction form
   1,003,400/2,142,876 = 2,142,876/x
3. Step 3: Cross multiply
   1,003,400x = 2,142,876 × 2,142,876
4. Step 4: Simplify right side
   1,003,400x = 4,591,917,551,376
5. Step 5: Solve for x
   x = 4,591,917,551,376/1,003,400
6. Step 6: Final answer
   x = 4,576,357.93