Finding the Third Proportional to 86,605,939.69 and 179,350,788.38

Step by Step Solution

1. Step 1: Write the proportion equation
   86,605,939.69 : 179,350,788.38 = 179,350,788.38 : x
2. Step 2: Convert to fraction form
   86,605,939.69/179,350,788.38 = 179,350,788.38/x
3. Step 3: Cross multiply
   86,605,939.69x = 179,350,788.38 × 179,350,788.38
4. Step 4: Simplify right side
   86,605,939.69x = 32,166,705,290,734,036
5. Step 5: Solve for x
   x = 32,166,705,290,734,036/86,605,939.69
6. Step 6: Final answer
   x = 371,414,540.47