Finding the Third Proportional to 353,263.50 and 765,171

Step by Step Solution

1. Step 1: Write the proportion equation
   353,263.50 : 765,171 = 765,171 : x
2. Step 2: Convert to fraction form
   353,263.50/765,171 = 765,171/x
3. Step 3: Cross multiply
   353,263.50x = 765,171 × 765,171
4. Step 4: Simplify right side
   353,263.50x = 585,486,659,241
5. Step 5: Solve for x
   x = 585,486,659,241/353,263.50
6. Step 6: Final answer
   x = 1,657,365.28