Finding the Third Proportional to 1,105,340 and 1,621,748

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105,340 : 1,621,748 = 1,621,748 : x
2. Step 2: Convert to fraction form
   1,105,340/1,621,748 = 1,621,748/x
3. Step 3: Cross multiply
   1,105,340x = 1,621,748 × 1,621,748
4. Step 4: Simplify right side
   1,105,340x = 2,630,066,575,504
5. Step 5: Solve for x
   x = 2,630,066,575,504/1,105,340
6. Step 6: Final answer
   x = 2,379,418.62