Finding the Third Proportional to 16,578,456 and 35,676,336

Step by Step Solution

1. Step 1: Write the proportion equation
   16,578,456 : 35,676,336 = 35,676,336 : x
2. Step 2: Convert to fraction form
   16,578,456/35,676,336 = 35,676,336/x
3. Step 3: Cross multiply
   16,578,456x = 35,676,336 × 35,676,336
4. Step 4: Simplify right side
   16,578,456x = 1,272,800,950,384,896
5. Step 5: Solve for x
   x = 1,272,800,950,384,896/16,578,456
6. Step 6: Final answer
   x = 76,774,396.26