Finding the Third Proportional to 1,755,378 and 2,621,583

Step by Step Solution

1. Step 1: Write the proportion equation
   1,755,378 : 2,621,583 = 2,621,583 : x
2. Step 2: Convert to fraction form
   1,755,378/2,621,583 = 2,621,583/x
3. Step 3: Cross multiply
   1,755,378x = 2,621,583 × 2,621,583
4. Step 4: Simplify right side
   1,755,378x = 6,872,697,425,889
5. Step 5: Solve for x
   x = 6,872,697,425,889/1,755,378
6. Step 6: Final answer
   x = 3,915,223.63