Finding the Third Proportional to 16,578,443 and 35,676,311

Step by Step Solution

1. Step 1: Write the proportion equation
   16,578,443 : 35,676,311 = 35,676,311 : x
2. Step 2: Convert to fraction form
   16,578,443/35,676,311 = 35,676,311/x
3. Step 3: Cross multiply
   16,578,443x = 35,676,311 × 35,676,311
4. Step 4: Simplify right side
   16,578,443x = 1,272,799,166,568,721
5. Step 5: Solve for x
   x = 1,272,799,166,568,721/16,578,443
6. Step 6: Final answer
   x = 76,774,348.87