Finding the Third Proportional to 16,518,672 and 35,567,856

Step by Step Solution

1. Step 1: Write the proportion equation
   16,518,672 : 35,567,856 = 35,567,856 : x
2. Step 2: Convert to fraction form
   16,518,672/35,567,856 = 35,567,856/x
3. Step 3: Cross multiply
   16,518,672x = 35,567,856 × 35,567,856
4. Step 4: Simplify right side
   16,518,672x = 1,265,072,380,436,736
5. Step 5: Solve for x
   x = 1,265,072,380,436,736/16,518,672
6. Step 6: Final answer
   x = 76,584,387.68