Finding the Third Proportional to 2,523,423 and 5,551,503

Step by Step Solution

1. Step 1: Write the proportion equation
   2,523,423 : 5,551,503 = 5,551,503 : x
2. Step 2: Convert to fraction form
   2,523,423/5,551,503 = 5,551,503/x
3. Step 3: Cross multiply
   2,523,423x = 5,551,503 × 5,551,503
4. Step 4: Simplify right side
   2,523,423x = 30,819,185,559,009
5. Step 5: Solve for x
   x = 30,819,185,559,009/2,523,423
6. Step 6: Final answer
   x = 12,213,245.88