Finding the Third Proportional to 235,090.50 and 515,250

Step by Step Solution

1. Step 1: Write the proportion equation
   235,090.50 : 515,250 = 515,250 : x
2. Step 2: Convert to fraction form
   235,090.50/515,250 = 515,250/x
3. Step 3: Cross multiply
   235,090.50x = 515,250 × 515,250
4. Step 4: Simplify right side
   235,090.50x = 265,482,562,500
5. Step 5: Solve for x
   x = 265,482,562,500/235,090.50
6. Step 6: Final answer
   x = 1,129,278.14