Finding the Third Proportional to 171,783 and 366,394.50

Step by Step Solution

1. Step 1: Write the proportion equation
   171,783 : 366,394.50 = 366,394.50 : x
2. Step 2: Convert to fraction form
   171,783/366,394.50 = 366,394.50/x
3. Step 3: Cross multiply
   171,783x = 366,394.50 × 366,394.50
4. Step 4: Simplify right side
   171,783x = 134,244,929,630.25
5. Step 5: Solve for x
   x = 134,244,929,630.25/171,783
6. Step 6: Final answer
   x = 781,479.71