Finding the Third Proportional to 9,609,858 and 12,943,827

Step by Step Solution

1. Step 1: Write the proportion equation
   9,609,858 : 12,943,827 = 12,943,827 : x
2. Step 2: Convert to fraction form
   9,609,858/12,943,827 = 12,943,827/x
3. Step 3: Cross multiply
   9,609,858x = 12,943,827 × 12,943,827
4. Step 4: Simplify right side
   9,609,858x = 167,542,657,405,929
5. Step 5: Solve for x
   x = 167,542,657,405,929/9,609,858
6. Step 6: Final answer
   x = 17,434,457.14