Finding the Third Proportional to 12,363,624 and 18,912,588

Step by Step Solution

1. Step 1: Write the proportion equation
   12,363,624 : 18,912,588 = 18,912,588 : x
2. Step 2: Convert to fraction form
   12,363,624/18,912,588 = 18,912,588/x
3. Step 3: Cross multiply
   12,363,624x = 18,912,588 × 18,912,588
4. Step 4: Simplify right side
   12,363,624x = 357,685,984,857,744
5. Step 5: Solve for x
   x = 357,685,984,857,744/12,363,624
6. Step 6: Final answer
   x = 28,930,513.00