Finding the Third Proportional to 9,609,846 and 12,943,809

Step by Step Solution

1. Step 1: Write the proportion equation
   9,609,846 : 12,943,809 = 12,943,809 : x
2. Step 2: Convert to fraction form
   9,609,846/12,943,809 = 12,943,809/x
3. Step 3: Cross multiply
   9,609,846x = 12,943,809 × 12,943,809
4. Step 4: Simplify right side
   9,609,846x = 167,542,191,428,481
5. Step 5: Solve for x
   x = 167,542,191,428,481/9,609,846
6. Step 6: Final answer
   x = 17,434,430.42