Finding the Third Proportional to 302,472 and 411,034.50

Step by Step Solution

1. Step 1: Write the proportion equation
   302,472 : 411,034.50 = 411,034.50 : x
2. Step 2: Convert to fraction form
   302,472/411,034.50 = 411,034.50/x
3. Step 3: Cross multiply
   302,472x = 411,034.50 × 411,034.50
4. Step 4: Simplify right side
   302,472x = 168,949,360,190.25
5. Step 5: Solve for x
   x = 168,949,360,190.25/302,472
6. Step 6: Final answer
   x = 558,561.98