Finding the Third Proportional to 164,200.50 and 354,051

Step by Step Solution

1. Step 1: Write the proportion equation
   164,200.50 : 354,051 = 354,051 : x
2. Step 2: Convert to fraction form
   164,200.50/354,051 = 354,051/x
3. Step 3: Cross multiply
   164,200.50x = 354,051 × 354,051
4. Step 4: Simplify right side
   164,200.50x = 125,352,110,601
5. Step 5: Solve for x
   x = 125,352,110,601/164,200.50
6. Step 6: Final answer
   x = 763,408.82