Finding the Third Proportional to 7,874,684 and 12,336,904

Step by Step Solution

1. Step 1: Write the proportion equation
   7,874,684 : 12,336,904 = 12,336,904 : x
2. Step 2: Convert to fraction form
   7,874,684/12,336,904 = 12,336,904/x
3. Step 3: Cross multiply
   7,874,684x = 12,336,904 × 12,336,904
4. Step 4: Simplify right side
   7,874,684x = 152,199,200,305,216
5. Step 5: Solve for x
   x = 152,199,200,305,216/7,874,684
6. Step 6: Final answer
   x = 19,327,658.14