Finding the Third Proportional to 307,311.50 and 482,082

Step by Step Solution

1. Step 1: Write the proportion equation
   307,311.50 : 482,082 = 482,082 : x
2. Step 2: Convert to fraction form
   307,311.50/482,082 = 482,082/x
3. Step 3: Cross multiply
   307,311.50x = 482,082 × 482,082
4. Step 4: Simplify right side
   307,311.50x = 232,403,054,724
5. Step 5: Solve for x
   x = 232,403,054,724/307,311.50
6. Step 6: Final answer
   x = 756,245.88