Finding the Third Proportional to 12,671,495 and 19,629,809

Step by Step Solution

1. Step 1: Write the proportion equation
   12,671,495 : 19,629,809 = 19,629,809 : x
2. Step 2: Convert to fraction form
   12,671,495/19,629,809 = 19,629,809/x
3. Step 3: Cross multiply
   12,671,495x = 19,629,809 × 19,629,809
4. Step 4: Simplify right side
   12,671,495x = 385,329,401,376,481
5. Step 5: Solve for x
   x = 385,329,401,376,481/12,671,495
6. Step 6: Final answer
   x = 30,409,150.73