Finding the Third Proportional to 79,901,873,641.75 and 173,869,699,318.25

Step by Step Solution

1. Step 1: Write the proportion equation
   79,901,873,641.75 : 173,869,699,318.25 = 173,869,699,318.25 : x
2. Step 2: Convert to fraction form
   79,901,873,641.75/173,869,699,318.25 = 173,869,699,318.25/x
3. Step 3: Cross multiply
   79,901,873,641.75x = 173,869,699,318.25 × 173,869,699,318.25
4. Step 4: Simplify right side
   79,901,873,641.75x = 30,230,672,341,018,664,239,104
5. Step 5: Solve for x
   x = 30,230,672,341,018,664,239,104/79,901,873,641.75
6. Step 6: Final answer
   x = 378,347,477,514.25