Finding the Third Proportional to 434,504.50 and 636,202

Step by Step Solution

1. Step 1: Write the proportion equation
   434,504.50 : 636,202 = 636,202 : x
2. Step 2: Convert to fraction form
   434,504.50/636,202 = 636,202/x
3. Step 3: Cross multiply
   434,504.50x = 636,202 × 636,202
4. Step 4: Simplify right side
   434,504.50x = 404,752,984,804
5. Step 5: Solve for x
   x = 404,752,984,804/434,504.50
6. Step 6: Final answer
   x = 931,527.72