Finding the Third Proportional to 1,049,430 and 1,620,525

Step by Step Solution

1. Step 1: Write the proportion equation
   1,049,430 : 1,620,525 = 1,620,525 : x
2. Step 2: Convert to fraction form
   1,049,430/1,620,525 = 1,620,525/x
3. Step 3: Cross multiply
   1,049,430x = 1,620,525 × 1,620,525
4. Step 4: Simplify right side
   1,049,430x = 2,626,101,275,625
5. Step 5: Solve for x
   x = 2,626,101,275,625/1,049,430
6. Step 6: Final answer
   x = 2,502,407.28