Finding the Third Proportional to 1,567,420 and 2,207,276

Step by Step Solution

1. Step 1: Write the proportion equation
   1,567,420 : 2,207,276 = 2,207,276 : x
2. Step 2: Convert to fraction form
   1,567,420/2,207,276 = 2,207,276/x
3. Step 3: Cross multiply
   1,567,420x = 2,207,276 × 2,207,276
4. Step 4: Simplify right side
   1,567,420x = 4,872,067,340,176
5. Step 5: Solve for x
   x = 4,872,067,340,176/1,567,420
6. Step 6: Final answer
   x = 3,108,335.57