Finding the Third Proportional to 5,072,605,717.50 and 10,493,172,436.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,072,605,717.50 : 10,493,172,436.50 = 10,493,172,436.50 : x
2. Step 2: Convert to fraction form
   5,072,605,717.50/10,493,172,436.50 = 10,493,172,436.50/x
3. Step 3: Cross multiply
   5,072,605,717.50x = 10,493,172,436.50 × 10,493,172,436.50
4. Step 4: Simplify right side
   5,072,605,717.50x = 110,106,667,782,123,339,776
5. Step 5: Solve for x
   x = 110,106,667,782,123,339,776/5,072,605,717.50
6. Step 6: Final answer
   x = 21,706,135,645.88