Finding the Third Proportional to 381,435 and 560,482.50

Step by Step Solution

1. Step 1: Write the proportion equation
   381,435 : 560,482.50 = 560,482.50 : x
2. Step 2: Convert to fraction form
   381,435/560,482.50 = 560,482.50/x
3. Step 3: Cross multiply
   381,435x = 560,482.50 × 560,482.50
4. Step 4: Simplify right side
   381,435x = 314,140,632,806.25
5. Step 5: Solve for x
   x = 314,140,632,806.25/381,435
6. Step 6: Final answer
   x = 823,575.79