Finding the Third Proportional to 79,432,986 and 171,412,116

Step by Step Solution

1. Step 1: Write the proportion equation
   79,432,986 : 171,412,116 = 171,412,116 : x
2. Step 2: Convert to fraction form
   79,432,986/171,412,116 = 171,412,116/x
3. Step 3: Cross multiply
   79,432,986x = 171,412,116 × 171,412,116
4. Step 4: Simplify right side
   79,432,986x = 29,382,113,511,597,456
5. Step 5: Solve for x
   x = 29,382,113,511,597,456/79,432,986
6. Step 6: Final answer
   x = 369,898,136.67