Finding the Third Proportional to 350,353.50 and 762,216

Step by Step Solution

1. Step 1: Write the proportion equation
   350,353.50 : 762,216 = 762,216 : x
2. Step 2: Convert to fraction form
   350,353.50/762,216 = 762,216/x
3. Step 3: Cross multiply
   350,353.50x = 762,216 × 762,216
4. Step 4: Simplify right side
   350,353.50x = 580,973,230,656
5. Step 5: Solve for x
   x = 580,973,230,656/350,353.50
6. Step 6: Final answer
   x = 1,658,248.68