Finding the Third Proportional to 302,085 and 423,466.50

Step by Step Solution

1. Step 1: Write the proportion equation
   302,085 : 423,466.50 = 423,466.50 : x
2. Step 2: Convert to fraction form
   302,085/423,466.50 = 423,466.50/x
3. Step 3: Cross multiply
   302,085x = 423,466.50 × 423,466.50
4. Step 4: Simplify right side
   302,085x = 179,323,876,622.25
5. Step 5: Solve for x
   x = 179,323,876,622.25/302,085
6. Step 6: Final answer
   x = 593,620.59