Finding the Third Proportional to 13,892,647,133 and 18,744,442,741.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,892,647,133 : 18,744,442,741.50 = 18,744,442,741.50 : x
2. Step 2: Convert to fraction form
   13,892,647,133/18,744,442,741.50 = 18,744,442,741.50/x
3. Step 3: Cross multiply
   13,892,647,133x = 18,744,442,741.50 × 18,744,442,741.50
4. Step 4: Simplify right side
   13,892,647,133x = 351,354,133,689,372,049,408
5. Step 5: Solve for x
   x = 351,354,133,689,372,049,408/13,892,647,133
6. Step 6: Final answer
   x = 25,290,654,137.09