Finding the Third Proportional to 79,597,173 and 168,759,978

Step by Step Solution

1. Step 1: Write the proportion equation
   79,597,173 : 168,759,978 = 168,759,978 : x
2. Step 2: Convert to fraction form
   79,597,173/168,759,978 = 168,759,978/x
3. Step 3: Cross multiply
   79,597,173x = 168,759,978 × 168,759,978
4. Step 4: Simplify right side
   79,597,173x = 28,479,930,174,560,484
5. Step 5: Solve for x
   x = 28,479,930,174,560,484/79,597,173
6. Step 6: Final answer
   x = 357,800,774.84