Finding the Third Proportional to 145,128 and 341,488.50

Step by Step Solution

1. Step 1: Write the proportion equation
   145,128 : 341,488.50 = 341,488.50 : x
2. Step 2: Convert to fraction form
   145,128/341,488.50 = 341,488.50/x
3. Step 3: Cross multiply
   145,128x = 341,488.50 × 341,488.50
4. Step 4: Simplify right side
   145,128x = 116,614,395,632.25
5. Step 5: Solve for x
   x = 116,614,395,632.25/145,128
6. Step 6: Final answer
   x = 803,527.89