Finding the Third Proportional to 1,143,210 and 1,671,876

Step by Step Solution

1. Step 1: Write the proportion equation
   1,143,210 : 1,671,876 = 1,671,876 : x
2. Step 2: Convert to fraction form
   1,143,210/1,671,876 = 1,671,876/x
3. Step 3: Cross multiply
   1,143,210x = 1,671,876 × 1,671,876
4. Step 4: Simplify right side
   1,143,210x = 2,795,169,359,376
5. Step 5: Solve for x
   x = 2,795,169,359,376/1,143,210
6. Step 6: Final answer
   x = 2,445,018.29