Finding the Third Proportional to 538,204.50 and 833,353.31

Step by Step Solution

1. Step 1: Write the proportion equation
   538,204.50 : 833,353.31 = 833,353.31 : x
2. Step 2: Convert to fraction form
   538,204.50/833,353.31 = 833,353.31/x
3. Step 3: Cross multiply
   538,204.50x = 833,353.31 × 833,353.31
4. Step 4: Simplify right side
   538,204.50x = 694,477,743,454.72
5. Step 5: Solve for x
   x = 694,477,743,454.72/538,204.50
6. Step 6: Final answer
   x = 1,290,360.34