Finding the Third Proportional to 721,422 and 1,567,260

Step by Step Solution

1. Step 1: Write the proportion equation
   721,422 : 1,567,260 = 1,567,260 : x
2. Step 2: Convert to fraction form
   721,422/1,567,260 = 1,567,260/x
3. Step 3: Cross multiply
   721,422x = 1,567,260 × 1,567,260
4. Step 4: Simplify right side
   721,422x = 2,456,303,907,600
5. Step 5: Solve for x
   x = 2,456,303,907,600/721,422
6. Step 6: Final answer
   x = 3,404,808.71