Finding the Third Proportional to 339,282 and 706,483.50

Step by Step Solution

1. Step 1: Write the proportion equation
   339,282 : 706,483.50 = 706,483.50 : x
2. Step 2: Convert to fraction form
   339,282/706,483.50 = 706,483.50/x
3. Step 3: Cross multiply
   339,282x = 706,483.50 × 706,483.50
4. Step 4: Simplify right side
   339,282x = 499,118,935,772.25
5. Step 5: Solve for x
   x = 499,118,935,772.25/339,282
6. Step 6: Final answer
   x = 1,471,103.49