Finding the Third Proportional to 7,874,706 and 12,336,939

Step by Step Solution

1. Step 1: Write the proportion equation
   7,874,706 : 12,336,939 = 12,336,939 : x
2. Step 2: Convert to fraction form
   7,874,706/12,336,939 = 12,336,939/x
3. Step 3: Cross multiply
   7,874,706x = 12,336,939 × 12,336,939
4. Step 4: Simplify right side
   7,874,706x = 152,200,063,889,721
5. Step 5: Solve for x
   x = 152,200,063,889,721/7,874,706
6. Step 6: Final answer
   x = 19,327,713.81