Finding the Third Proportional to 12,570,648 and 19,221,474

Step by Step Solution

1. Step 1: Write the proportion equation
   12,570,648 : 19,221,474 = 19,221,474 : x
2. Step 2: Convert to fraction form
   12,570,648/19,221,474 = 19,221,474/x
3. Step 3: Cross multiply
   12,570,648x = 19,221,474 × 19,221,474
4. Step 4: Simplify right side
   12,570,648x = 369,465,062,732,676
5. Step 5: Solve for x
   x = 369,465,062,732,676/12,570,648
6. Step 6: Final answer
   x = 29,391,091.27