Finding the Third Proportional to 12,791,096 and 19,680,684

Step by Step Solution

1. Step 1: Write the proportion equation
   12,791,096 : 19,680,684 = 19,680,684 : x
2. Step 2: Convert to fraction form
   12,791,096/19,680,684 = 19,680,684/x
3. Step 3: Cross multiply
   12,791,096x = 19,680,684 × 19,680,684
4. Step 4: Simplify right side
   12,791,096x = 387,329,322,707,856
5. Step 5: Solve for x
   x = 387,329,322,707,856/12,791,096
6. Step 6: Final answer
   x = 30,281,167.67