Finding the Third Proportional to 171,345,300 and 261,035,496

Step by Step Solution

1. Step 1: Write the proportion equation
   171,345,300 : 261,035,496 = 261,035,496 : x
2. Step 2: Convert to fraction form
   171,345,300/261,035,496 = 261,035,496/x
3. Step 3: Cross multiply
   171,345,300x = 261,035,496 × 261,035,496
4. Step 4: Simplify right side
   171,345,300x = 68,139,530,171,966,016
5. Step 5: Solve for x
   x = 68,139,530,171,966,016/171,345,300
6. Step 6: Final answer
   x = 397,673,762.70