Finding the Third Proportional to 2,559,594 and 5,509,374

Step by Step Solution

1. Step 1: Write the proportion equation
   2,559,594 : 5,509,374 = 5,509,374 : x
2. Step 2: Convert to fraction form
   2,559,594/5,509,374 = 5,509,374/x
3. Step 3: Cross multiply
   2,559,594x = 5,509,374 × 5,509,374
4. Step 4: Simplify right side
   2,559,594x = 30,353,201,871,876
5. Step 5: Solve for x
   x = 30,353,201,871,876/2,559,594
6. Step 6: Final answer
   x = 11,858,600.18