Finding the Third Proportional to 538,150.50 and 833,221.50

Step by Step Solution

1. Step 1: Write the proportion equation
   538,150.50 : 833,221.50 = 833,221.50 : x
2. Step 2: Convert to fraction form
   538,150.50/833,221.50 = 833,221.50/x
3. Step 3: Cross multiply
   538,150.50x = 833,221.50 × 833,221.50
4. Step 4: Simplify right side
   538,150.50x = 694,258,068,062.25
5. Step 5: Solve for x
   x = 694,258,068,062.25/538,150.50
6. Step 6: Final answer
   x = 1,290,081.62