Finding the Third Proportional to 1,228,437 and 2,658,090

Step by Step Solution

1. Step 1: Write the proportion equation
   1,228,437 : 2,658,090 = 2,658,090 : x
2. Step 2: Convert to fraction form
   1,228,437/2,658,090 = 2,658,090/x
3. Step 3: Cross multiply
   1,228,437x = 2,658,090 × 2,658,090
4. Step 4: Simplify right side
   1,228,437x = 7,065,442,448,100
5. Step 5: Solve for x
   x = 7,065,442,448,100/1,228,437
6. Step 6: Final answer
   x = 5,751,570.86