Finding the Third Proportional to 12,763,710,124 and 19,606,621,506

Step by Step Solution

1. Step 1: Write the proportion equation
   12,763,710,124 : 19,606,621,506 = 19,606,621,506 : x
2. Step 2: Convert to fraction form
   12,763,710,124/19,606,621,506 = 19,606,621,506/x
3. Step 3: Cross multiply
   12,763,710,124x = 19,606,621,506 × 19,606,621,506
4. Step 4: Simplify right side
   12,763,710,124x = 384,419,606,879,541,723,136
5. Step 5: Solve for x
   x = 384,419,606,879,541,723,136/12,763,710,124
6. Step 6: Final answer
   x = 30,118,171,217.06