Finding the Third Proportional to 1,291,528 and 1,805,628

Step by Step Solution

1. Step 1: Write the proportion equation
   1,291,528 : 1,805,628 = 1,805,628 : x
2. Step 2: Convert to fraction form
   1,291,528/1,805,628 = 1,805,628/x
3. Step 3: Cross multiply
   1,291,528x = 1,805,628 × 1,805,628
4. Step 4: Simplify right side
   1,291,528x = 3,260,292,474,384
5. Step 5: Solve for x
   x = 3,260,292,474,384/1,291,528
6. Step 6: Final answer
   x = 2,524,368.40