Finding the Third Proportional to 7,874,672 and 12,336,886

Step by Step Solution

1. Step 1: Write the proportion equation
   7,874,672 : 12,336,886 = 12,336,886 : x
2. Step 2: Convert to fraction form
   7,874,672/12,336,886 = 12,336,886/x
3. Step 3: Cross multiply
   7,874,672x = 12,336,886 × 12,336,886
4. Step 4: Simplify right side
   7,874,672x = 152,198,756,176,996
5. Step 5: Solve for x
   x = 152,198,756,176,996/7,874,672
6. Step 6: Final answer
   x = 19,327,631.19