Finding the Third Proportional to 12,464,672 and 19,147,264

Step by Step Solution

1. Step 1: Write the proportion equation
   12,464,672 : 19,147,264 = 19,147,264 : x
2. Step 2: Convert to fraction form
   12,464,672/19,147,264 = 19,147,264/x
3. Step 3: Cross multiply
   12,464,672x = 19,147,264 × 19,147,264
4. Step 4: Simplify right side
   12,464,672x = 366,617,718,685,696
5. Step 5: Solve for x
   x = 366,617,718,685,696/12,464,672
6. Step 6: Final answer
   x = 29,412,544.40