Finding the Third Proportional to 367,419 and 562,063.50

Step by Step Solution

1. Step 1: Write the proportion equation
   367,419 : 562,063.50 = 562,063.50 : x
2. Step 2: Convert to fraction form
   367,419/562,063.50 = 562,063.50/x
3. Step 3: Cross multiply
   367,419x = 562,063.50 × 562,063.50
4. Step 4: Simplify right side
   367,419x = 315,915,378,032.25
5. Step 5: Solve for x
   x = 315,915,378,032.25/367,419
6. Step 6: Final answer
   x = 859,823.19