Finding the Third Proportional to 302,292 and 451,858.50

Step by Step Solution

1. Step 1: Write the proportion equation
   302,292 : 451,858.50 = 451,858.50 : x
2. Step 2: Convert to fraction form
   302,292/451,858.50 = 451,858.50/x
3. Step 3: Cross multiply
   302,292x = 451,858.50 × 451,858.50
4. Step 4: Simplify right side
   302,292x = 204,176,104,022.25
5. Step 5: Solve for x
   x = 204,176,104,022.25/302,292
6. Step 6: Final answer
   x = 675,426.75