Finding the Third Proportional to 284,706 and 436,573.50

Step by Step Solution

1. Step 1: Write the proportion equation
   284,706 : 436,573.50 = 436,573.50 : x
2. Step 2: Convert to fraction form
   284,706/436,573.50 = 436,573.50/x
3. Step 3: Cross multiply
   284,706x = 436,573.50 × 436,573.50
4. Step 4: Simplify right side
   284,706x = 190,596,420,902.25
5. Step 5: Solve for x
   x = 190,596,420,902.25/284,706
6. Step 6: Final answer
   x = 669,449.96