Finding the Third Proportional to 550,647 and 775,443.50

Step by Step Solution

1. Step 1: Write the proportion equation
   550,647 : 775,443.50 = 775,443.50 : x
2. Step 2: Convert to fraction form
   550,647/775,443.50 = 775,443.50/x
3. Step 3: Cross multiply
   550,647x = 775,443.50 × 775,443.50
4. Step 4: Simplify right side
   550,647x = 601,312,621,692.25
5. Step 5: Solve for x
   x = 601,312,621,692.25/550,647
6. Step 6: Final answer
   x = 1,092,011.07