Finding the Third Proportional to 2,583,428 and 5,561,738

Step by Step Solution

1. Step 1: Write the proportion equation
   2,583,428 : 5,561,738 = 5,561,738 : x
2. Step 2: Convert to fraction form
   2,583,428/5,561,738 = 5,561,738/x
3. Step 3: Cross multiply
   2,583,428x = 5,561,738 × 5,561,738
4. Step 4: Simplify right side
   2,583,428x = 30,932,929,580,644
5. Step 5: Solve for x
   x = 30,932,929,580,644/2,583,428
6. Step 6: Final answer
   x = 11,973,598.48