Finding the Third Proportional to 644,048 and 1,415,584

Step by Step Solution

1. Step 1: Write the proportion equation
   644,048 : 1,415,584 = 1,415,584 : x
2. Step 2: Convert to fraction form
   644,048/1,415,584 = 1,415,584/x
3. Step 3: Cross multiply
   644,048x = 1,415,584 × 1,415,584
4. Step 4: Simplify right side
   644,048x = 2,003,878,061,056
5. Step 5: Solve for x
   x = 2,003,878,061,056/644,048
6. Step 6: Final answer
   x = 3,111,379.99