Finding the Third Proportional to 636,323.25 and 890,091

Step by Step Solution

1. Step 1: Write the proportion equation
   636,323.25 : 890,091 = 890,091 : x
2. Step 2: Convert to fraction form
   636,323.25/890,091 = 890,091/x
3. Step 3: Cross multiply
   636,323.25x = 890,091 × 890,091
4. Step 4: Simplify right side
   636,323.25x = 792,261,988,281
5. Step 5: Solve for x
   x = 792,261,988,281/636,323.25
6. Step 6: Final answer
   x = 1,245,062.14