Finding the Third Proportional to 1,237,040 and 2,636,080

Step by Step Solution

1. Step 1: Write the proportion equation
   1,237,040 : 2,636,080 = 2,636,080 : x
2. Step 2: Convert to fraction form
   1,237,040/2,636,080 = 2,636,080/x
3. Step 3: Cross multiply
   1,237,040x = 2,636,080 × 2,636,080
4. Step 4: Simplify right side
   1,237,040x = 6,948,917,766,400
5. Step 5: Solve for x
   x = 6,948,917,766,400/1,237,040
6. Step 6: Final answer
   x = 5,617,375.16