Finding the Third Proportional to 1,778,186 and 2,757,513

Step by Step Solution

1. Step 1: Write the proportion equation
   1,778,186 : 2,757,513 = 2,757,513 : x
2. Step 2: Convert to fraction form
   1,778,186/2,757,513 = 2,757,513/x
3. Step 3: Cross multiply
   1,778,186x = 2,757,513 × 2,757,513
4. Step 4: Simplify right side
   1,778,186x = 7,603,877,945,169
5. Step 5: Solve for x
   x = 7,603,877,945,169/1,778,186
6. Step 6: Final answer
   x = 4,276,199.42