Finding the Third Proportional to 1,139,254 and 2,689,324

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,254 : 2,689,324 = 2,689,324 : x
2. Step 2: Convert to fraction form
   1,139,254/2,689,324 = 2,689,324/x
3. Step 3: Cross multiply
   1,139,254x = 2,689,324 × 2,689,324
4. Step 4: Simplify right side
   1,139,254x = 7,232,463,576,976
5. Step 5: Solve for x
   x = 7,232,463,576,976/1,139,254
6. Step 6: Final answer
   x = 6,348,420.61