Finding the Third Proportional to 171,345,795 and 261,036,196

Step by Step Solution

1. Step 1: Write the proportion equation
   171,345,795 : 261,036,196 = 261,036,196 : x
2. Step 2: Convert to fraction form
   171,345,795/261,036,196 = 261,036,196/x
3. Step 3: Cross multiply
   171,345,795x = 261,036,196 × 261,036,196
4. Step 4: Simplify right side
   171,345,795x = 68,139,895,622,150,416
5. Step 5: Solve for x
   x = 68,139,895,622,150,416/171,345,795
6. Step 6: Final answer
   x = 397,674,746.68