Finding the Third Proportional to 636,573 and 865,048.50

Step by Step Solution

1. Step 1: Write the proportion equation
   636,573 : 865,048.50 = 865,048.50 : x
2. Step 2: Convert to fraction form
   636,573/865,048.50 = 865,048.50/x
3. Step 3: Cross multiply
   636,573x = 865,048.50 × 865,048.50
4. Step 4: Simplify right side
   636,573x = 748,308,907,352.25
5. Step 5: Solve for x
   x = 748,308,907,352.25/636,573
6. Step 6: Final answer
   x = 1,175,527.25