Finding the Third Proportional to 173,859 and 366,709.50

Step by Step Solution

1. Step 1: Write the proportion equation
   173,859 : 366,709.50 = 366,709.50 : x
2. Step 2: Convert to fraction form
   173,859/366,709.50 = 366,709.50/x
3. Step 3: Cross multiply
   173,859x = 366,709.50 × 366,709.50
4. Step 4: Simplify right side
   173,859x = 134,475,857,390.25
5. Step 5: Solve for x
   x = 134,475,857,390.25/173,859
6. Step 6: Final answer
   x = 773,476.54