Finding the Third Proportional to 171,345,754 and 261,036,152

Step by Step Solution

1. Step 1: Write the proportion equation
   171,345,754 : 261,036,152 = 261,036,152 : x
2. Step 2: Convert to fraction form
   171,345,754/261,036,152 = 261,036,152/x
3. Step 3: Cross multiply
   171,345,754x = 261,036,152 × 261,036,152
4. Step 4: Simplify right side
   171,345,754x = 68,139,872,650,967,104
5. Step 5: Solve for x
   x = 68,139,872,650,967,104/171,345,754
6. Step 6: Final answer
   x = 397,674,707.78