Finding the Third Proportional to 1,221,504 and 1,845,648

Step by Step Solution

1. Step 1: Write the proportion equation
   1,221,504 : 1,845,648 = 1,845,648 : x
2. Step 2: Convert to fraction form
   1,221,504/1,845,648 = 1,845,648/x
3. Step 3: Cross multiply
   1,221,504x = 1,845,648 × 1,845,648
4. Step 4: Simplify right side
   1,221,504x = 3,406,416,539,904
5. Step 5: Solve for x
   x = 3,406,416,539,904/1,221,504
6. Step 6: Final answer
   x = 2,788,706.82