Finding the Third Proportional to 171,991.50 and 364,797

Step by Step Solution

1. Step 1: Write the proportion equation
   171,991.50 : 364,797 = 364,797 : x
2. Step 2: Convert to fraction form
   171,991.50/364,797 = 364,797/x
3. Step 3: Cross multiply
   171,991.50x = 364,797 × 364,797
4. Step 4: Simplify right side
   171,991.50x = 133,076,851,209
5. Step 5: Solve for x
   x = 133,076,851,209/171,991.50
6. Step 6: Final answer
   x = 773,740.86