Finding the Third Proportional to 1,567,422 and 2,207,279

Step by Step Solution

1. Step 1: Write the proportion equation
   1,567,422 : 2,207,279 = 2,207,279 : x
2. Step 2: Convert to fraction form
   1,567,422/2,207,279 = 2,207,279/x
3. Step 3: Cross multiply
   1,567,422x = 2,207,279 × 2,207,279
4. Step 4: Simplify right side
   1,567,422x = 4,872,080,583,841
5. Step 5: Solve for x
   x = 4,872,080,583,841/1,567,422
6. Step 6: Final answer
   x = 3,108,340.05