Finding the Third Proportional to 554,984 and 830,250

Step by Step Solution

1. Step 1: Write the proportion equation
   554,984 : 830,250 = 830,250 : x
2. Step 2: Convert to fraction form
   554,984/830,250 = 830,250/x
3. Step 3: Cross multiply
   554,984x = 830,250 × 830,250
4. Step 4: Simplify right side
   554,984x = 689,315,062,500
5. Step 5: Solve for x
   x = 689,315,062,500/554,984
6. Step 6: Final answer
   x = 1,242,044.93