Finding the Third Proportional to 12,363,620 and 18,912,582

Step by Step Solution

1. Step 1: Write the proportion equation
   12,363,620 : 18,912,582 = 18,912,582 : x
2. Step 2: Convert to fraction form
   12,363,620/18,912,582 = 18,912,582/x
3. Step 3: Cross multiply
   12,363,620x = 18,912,582 × 18,912,582
4. Step 4: Simplify right side
   12,363,620x = 357,685,757,906,724
5. Step 5: Solve for x
   x = 357,685,757,906,724/12,363,620
6. Step 6: Final answer
   x = 28,930,504.00