Finding the Third Proportional to 171,345,746 and 261,036,134

Step by Step Solution

1. Step 1: Write the proportion equation
   171,345,746 : 261,036,134 = 261,036,134 : x
2. Step 2: Convert to fraction form
   171,345,746/261,036,134 = 261,036,134/x
3. Step 3: Cross multiply
   171,345,746x = 261,036,134 × 261,036,134
4. Step 4: Simplify right side
   171,345,746x = 68,139,863,253,665,952
5. Step 5: Solve for x
   x = 68,139,863,253,665,952/171,345,746
6. Step 6: Final answer
   x = 397,674,671.50