Finding the Third Proportional to 172,179 and 364,810.50

Step by Step Solution

1. Step 1: Write the proportion equation
   172,179 : 364,810.50 = 364,810.50 : x
2. Step 2: Convert to fraction form
   172,179/364,810.50 = 364,810.50/x
3. Step 3: Cross multiply
   172,179x = 364,810.50 × 364,810.50
4. Step 4: Simplify right side
   172,179x = 133,086,700,910.25
5. Step 5: Solve for x
   x = 133,086,700,910.25/172,179
6. Step 6: Final answer
   x = 772,955.48