Finding the Third Proportional to 550,636.50 and 807,759

Step by Step Solution

1. Step 1: Write the proportion equation
   550,636.50 : 807,759 = 807,759 : x
2. Step 2: Convert to fraction form
   550,636.50/807,759 = 807,759/x
3. Step 3: Cross multiply
   550,636.50x = 807,759 × 807,759
4. Step 4: Simplify right side
   550,636.50x = 652,474,602,081
5. Step 5: Solve for x
   x = 652,474,602,081/550,636.50
6. Step 6: Final answer
   x = 1,184,946.15