Finding the Third Proportional to 351,084.50 and 756,404

Step by Step Solution

1. Step 1: Write the proportion equation
   351,084.50 : 756,404 = 756,404 : x
2. Step 2: Convert to fraction form
   351,084.50/756,404 = 756,404/x
3. Step 3: Cross multiply
   351,084.50x = 756,404 × 756,404
4. Step 4: Simplify right side
   351,084.50x = 572,147,011,216
5. Step 5: Solve for x
   x = 572,147,011,216/351,084.50
6. Step 6: Final answer
   x = 1,629,656.14