Finding the Third Proportional to 353,148.75 and 766,500

Step by Step Solution

1. Step 1: Write the proportion equation
   353,148.75 : 766,500 = 766,500 : x
2. Step 2: Convert to fraction form
   353,148.75/766,500 = 766,500/x
3. Step 3: Cross multiply
   353,148.75x = 766,500 × 766,500
4. Step 4: Simplify right side
   353,148.75x = 587,522,250,000
5. Step 5: Solve for x
   x = 587,522,250,000/353,148.75
6. Step 6: Final answer
   x = 1,663,667.93