Finding the Third Proportional to 300,818,511,696 and 455,096,705,783

Step by Step Solution

1. Step 1: Write the proportion equation
   300,818,511,696 : 455,096,705,783 = 455,096,705,783 : x
2. Step 2: Convert to fraction form
   300,818,511,696/455,096,705,783 = 455,096,705,783/x
3. Step 3: Cross multiply
   300,818,511,696x = 455,096,705,783 × 455,096,705,783
4. Step 4: Simplify right side
   300,818,511,696x = 207,113,011,614,538,465,804,288
5. Step 5: Solve for x
   x = 207,113,011,614,538,465,804,288/300,818,511,696
6. Step 6: Final answer
   x = 688,498,225,879.94