Finding the Third Proportional to 1,139,311 and 2,474,221

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,311 : 2,474,221 = 2,474,221 : x
2. Step 2: Convert to fraction form
   1,139,311/2,474,221 = 2,474,221/x
3. Step 3: Cross multiply
   1,139,311x = 2,474,221 × 2,474,221
4. Step 4: Simplify right side
   1,139,311x = 6,121,769,556,841
5. Step 5: Solve for x
   x = 6,121,769,556,841/1,139,311
6. Step 6: Final answer
   x = 5,373,220.79