Finding the Third Proportional to 167,856,661.69 and 361,222,499.25

Step by Step Solution

1. Step 1: Write the proportion equation
   167,856,661.69 : 361,222,499.25 = 361,222,499.25 : x
2. Step 2: Convert to fraction form
   167,856,661.69/361,222,499.25 = 361,222,499.25/x
3. Step 3: Cross multiply
   167,856,661.69x = 361,222,499.25 × 361,222,499.25
4. Step 4: Simplify right side
   167,856,661.69x = 130,481,693,964,416,256
5. Step 5: Solve for x
   x = 130,481,693,964,416,256/167,856,661.69
6. Step 6: Final answer
   x = 777,339,979.56