Finding the Third Proportional to 1,318,142 and 2,877,916

Step by Step Solution

1. Step 1: Write the proportion equation
   1,318,142 : 2,877,916 = 2,877,916 : x
2. Step 2: Convert to fraction form
   1,318,142/2,877,916 = 2,877,916/x
3. Step 3: Cross multiply
   1,318,142x = 2,877,916 × 2,877,916
4. Step 4: Simplify right side
   1,318,142x = 8,282,400,503,056
5. Step 5: Solve for x
   x = 8,282,400,503,056/1,318,142
6. Step 6: Final answer
   x = 6,283,390.18