Finding the Third Proportional to 1,212,388 and 2,552,576

Step by Step Solution

1. Step 1: Write the proportion equation
   1,212,388 : 2,552,576 = 2,552,576 : x
2. Step 2: Convert to fraction form
   1,212,388/2,552,576 = 2,552,576/x
3. Step 3: Cross multiply
   1,212,388x = 2,552,576 × 2,552,576
4. Step 4: Simplify right side
   1,212,388x = 6,515,644,235,776
5. Step 5: Solve for x
   x = 6,515,644,235,776/1,212,388
6. Step 6: Final answer
   x = 5,374,223.63