Finding the Third Proportional to 1,763,623 and 2,638,576

Step by Step Solution

1. Step 1: Write the proportion equation
   1,763,623 : 2,638,576 = 2,638,576 : x
2. Step 2: Convert to fraction form
   1,763,623/2,638,576 = 2,638,576/x
3. Step 3: Cross multiply
   1,763,623x = 2,638,576 × 2,638,576
4. Step 4: Simplify right side
   1,763,623x = 6,962,083,307,776
5. Step 5: Solve for x
   x = 6,962,083,307,776/1,763,623
6. Step 6: Final answer
   x = 3,947,602.92