Finding the Third Proportional to 16,578,736 and 35,676,896

Step by Step Solution

1. Step 1: Write the proportion equation
   16,578,736 : 35,676,896 = 35,676,896 : x
2. Step 2: Convert to fraction form
   16,578,736/35,676,896 = 35,676,896/x
3. Step 3: Cross multiply
   16,578,736x = 35,676,896 × 35,676,896
4. Step 4: Simplify right side
   16,578,736x = 1,272,840,908,194,816
5. Step 5: Solve for x
   x = 1,272,840,908,194,816/16,578,736
6. Step 6: Final answer
   x = 76,775,509.80