Finding the Third Proportional to 13,619,861,210.50 and 19,171,408,145

Step by Step Solution

1. Step 1: Write the proportion equation
   13,619,861,210.50 : 19,171,408,145 = 19,171,408,145 : x
2. Step 2: Convert to fraction form
   13,619,861,210.50/19,171,408,145 = 19,171,408,145/x
3. Step 3: Cross multiply
   13,619,861,210.50x = 19,171,408,145 × 19,171,408,145
4. Step 4: Simplify right side
   13,619,861,210.50x = 367,542,890,262,172,336,128
5. Step 5: Solve for x
   x = 367,542,890,262,172,336,128/13,619,861,210.50
6. Step 6: Final answer
   x = 26,985,802,908.10