Finding the Third Proportional to 301,887 and 408,532.50

Step by Step Solution

1. Step 1: Write the proportion equation
   301,887 : 408,532.50 = 408,532.50 : x
2. Step 2: Convert to fraction form
   301,887/408,532.50 = 408,532.50/x
3. Step 3: Cross multiply
   301,887x = 408,532.50 × 408,532.50
4. Step 4: Simplify right side
   301,887x = 166,898,803,556.25
5. Step 5: Solve for x
   x = 166,898,803,556.25/301,887
6. Step 6: Final answer
   x = 552,851.91