Finding the Third Proportional to 623,082 and 891,019.50

Step by Step Solution

1. Step 1: Write the proportion equation
   623,082 : 891,019.50 = 891,019.50 : x
2. Step 2: Convert to fraction form
   623,082/891,019.50 = 891,019.50/x
3. Step 3: Cross multiply
   623,082x = 891,019.50 × 891,019.50
4. Step 4: Simplify right side
   623,082x = 793,915,749,380.25
5. Step 5: Solve for x
   x = 793,915,749,380.25/623,082
6. Step 6: Final answer
   x = 1,274,175.39