Finding the Third Proportional to 605,475 and 822,676.50

Step by Step Solution

1. Step 1: Write the proportion equation
   605,475 : 822,676.50 = 822,676.50 : x
2. Step 2: Convert to fraction form
   605,475/822,676.50 = 822,676.50/x
3. Step 3: Cross multiply
   605,475x = 822,676.50 × 822,676.50
4. Step 4: Simplify right side
   605,475x = 676,796,623,652.25
5. Step 5: Solve for x
   x = 676,796,623,652.25/605,475
6. Step 6: Final answer
   x = 1,117,794.50