Finding the Third Proportional to 353,200.50 and 756,216

Step by Step Solution

1. Step 1: Write the proportion equation
   353,200.50 : 756,216 = 756,216 : x
2. Step 2: Convert to fraction form
   353,200.50/756,216 = 756,216/x
3. Step 3: Cross multiply
   353,200.50x = 756,216 × 756,216
4. Step 4: Simplify right side
   353,200.50x = 571,862,638,656
5. Step 5: Solve for x
   x = 571,862,638,656/353,200.50
6. Step 6: Final answer
   x = 1,619,087.85