Finding the Third Proportional to 8,161,680 and 17,874,656

Step by Step Solution

1. Step 1: Write the proportion equation
   8,161,680 : 17,874,656 = 17,874,656 : x
2. Step 2: Convert to fraction form
   8,161,680/17,874,656 = 17,874,656/x
3. Step 3: Cross multiply
   8,161,680x = 17,874,656 × 17,874,656
4. Step 4: Simplify right side
   8,161,680x = 319,503,327,118,336
5. Step 5: Solve for x
   x = 319,503,327,118,336/8,161,680
6. Step 6: Final answer
   x = 39,146,759.87