Finding the Third Proportional to 1,200,252 and 2,606,553

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200,252 : 2,606,553 = 2,606,553 : x
2. Step 2: Convert to fraction form
   1,200,252/2,606,553 = 2,606,553/x
3. Step 3: Cross multiply
   1,200,252x = 2,606,553 × 2,606,553
4. Step 4: Simplify right side
   1,200,252x = 6,794,118,541,809
5. Step 5: Solve for x
   x = 6,794,118,541,809/1,200,252
6. Step 6: Final answer
   x = 5,660,576.73