Finding the Third Proportional to 1,139,227 and 2,689,253

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,227 : 2,689,253 = 2,689,253 : x
2. Step 2: Convert to fraction form
   1,139,227/2,689,253 = 2,689,253/x
3. Step 3: Cross multiply
   1,139,227x = 2,689,253 × 2,689,253
4. Step 4: Simplify right side
   1,139,227x = 7,232,081,698,009
5. Step 5: Solve for x
   x = 7,232,081,698,009/1,139,227
6. Step 6: Final answer
   x = 6,348,235.86