Finding the Third Proportional to 282,000 and 436,870.50

Step by Step Solution

1. Step 1: Write the proportion equation
   282,000 : 436,870.50 = 436,870.50 : x
2. Step 2: Convert to fraction form
   282,000/436,870.50 = 436,870.50/x
3. Step 3: Cross multiply
   282,000x = 436,870.50 × 436,870.50
4. Step 4: Simplify right side
   282,000x = 190,855,833,770.25
5. Step 5: Solve for x
   x = 190,855,833,770.25/282,000
6. Step 6: Final answer
   x = 676,793.74