Finding the Third Proportional to 728,208 and 1,575,648

Step by Step Solution

1. Step 1: Write the proportion equation
   728,208 : 1,575,648 = 1,575,648 : x
2. Step 2: Convert to fraction form
   728,208/1,575,648 = 1,575,648/x
3. Step 3: Cross multiply
   728,208x = 1,575,648 × 1,575,648
4. Step 4: Simplify right side
   728,208x = 2,482,666,619,904
5. Step 5: Solve for x
   x = 2,482,666,619,904/728,208
6. Step 6: Final answer
   x = 3,409,282.27