Finding the Third Proportional to 12,763,709,662 and 19,606,620,817

Step by Step Solution

1. Step 1: Write the proportion equation
   12,763,709,662 : 19,606,620,817 = 19,606,620,817 : x
2. Step 2: Convert to fraction form
   12,763,709,662/19,606,620,817 = 19,606,620,817/x
3. Step 3: Cross multiply
   12,763,709,662x = 19,606,620,817 × 19,606,620,817
4. Step 4: Simplify right side
   12,763,709,662x = 384,419,579,861,617,737,728
5. Step 5: Solve for x
   x = 384,419,579,861,617,737,728/12,763,709,662
6. Step 6: Final answer
   x = 30,118,170,190.45