Finding the Third Proportional to 554,648.50 and 792,606.50

Step by Step Solution

1. Step 1: Write the proportion equation
   554,648.50 : 792,606.50 = 792,606.50 : x
2. Step 2: Convert to fraction form
   554,648.50/792,606.50 = 792,606.50/x
3. Step 3: Cross multiply
   554,648.50x = 792,606.50 × 792,606.50
4. Step 4: Simplify right side
   554,648.50x = 628,225,063,842.25
5. Step 5: Solve for x
   x = 628,225,063,842.25/554,648.50
6. Step 6: Final answer
   x = 1,132,654.40