Finding the Third Proportional to 78,667,929 and 160,455,978

Step by Step Solution

1. Step 1: Write the proportion equation
   78,667,929 : 160,455,978 = 160,455,978 : x
2. Step 2: Convert to fraction form
   78,667,929/160,455,978 = 160,455,978/x
3. Step 3: Cross multiply
   78,667,929x = 160,455,978 × 160,455,978
4. Step 4: Simplify right side
   78,667,929x = 25,746,120,875,936,484
5. Step 5: Solve for x
   x = 25,746,120,875,936,484/78,667,929
6. Step 6: Final answer
   x = 327,275,945.91