Finding the Third Proportional to 721,426 and 1,567,268

Step by Step Solution

1. Step 1: Write the proportion equation
   721,426 : 1,567,268 = 1,567,268 : x
2. Step 2: Convert to fraction form
   721,426/1,567,268 = 1,567,268/x
3. Step 3: Cross multiply
   721,426x = 1,567,268 × 1,567,268
4. Step 4: Simplify right side
   721,426x = 2,456,328,983,824
5. Step 5: Solve for x
   x = 2,456,328,983,824/721,426
6. Step 6: Final answer
   x = 3,404,824.59