Finding the Third Proportional to 9,609,860 and 12,943,830

Step by Step Solution

1. Step 1: Write the proportion equation
   9,609,860 : 12,943,830 = 12,943,830 : x
2. Step 2: Convert to fraction form
   9,609,860/12,943,830 = 12,943,830/x
3. Step 3: Cross multiply
   9,609,860x = 12,943,830 × 12,943,830
4. Step 4: Simplify right side
   9,609,860x = 167,542,735,068,900
5. Step 5: Solve for x
   x = 167,542,735,068,900/9,609,860
6. Step 6: Final answer
   x = 17,434,461.59