Finding the Third Proportional to 225,284 and 314,961.50

Step by Step Solution

1. Step 1: Write the proportion equation
   225,284 : 314,961.50 = 314,961.50 : x
2. Step 2: Convert to fraction form
   225,284/314,961.50 = 314,961.50/x
3. Step 3: Cross multiply
   225,284x = 314,961.50 × 314,961.50
4. Step 4: Simplify right side
   225,284x = 99,200,746,482.25
5. Step 5: Solve for x
   x = 99,200,746,482.25/225,284
6. Step 6: Final answer
   x = 440,336.40