Finding the Third Proportional to 36,218.25 and 67,090.50

Step by Step Solution

1. Step 1: Write the proportion equation
   36,218.25 : 67,090.50 = 67,090.50 : x
2. Step 2: Convert to fraction form
   36,218.25/67,090.50 = 67,090.50/x
3. Step 3: Cross multiply
   36,218.25x = 67,090.50 × 67,090.50
4. Step 4: Simplify right side
   36,218.25x = 4,501,135,190.25
5. Step 5: Solve for x
   x = 4,501,135,190.25/36,218.25
6. Step 6: Final answer
   x = 124,278.10