Finding the Third Proportional to 235,422 and 302,281.50

Step by Step Solution

1. Step 1: Write the proportion equation
   235,422 : 302,281.50 = 302,281.50 : x
2. Step 2: Convert to fraction form
   235,422/302,281.50 = 302,281.50/x
3. Step 3: Cross multiply
   235,422x = 302,281.50 × 302,281.50
4. Step 4: Simplify right side
   235,422x = 91,374,105,242.25
5. Step 5: Solve for x
   x = 91,374,105,242.25/235,422
6. Step 6: Final answer
   x = 388,129.00