Finding the Third Proportional to 329,352.50 and 709,513

Step by Step Solution

1. Step 1: Write the proportion equation
   329,352.50 : 709,513 = 709,513 : x
2. Step 2: Convert to fraction form
   329,352.50/709,513 = 709,513/x
3. Step 3: Cross multiply
   329,352.50x = 709,513 × 709,513
4. Step 4: Simplify right side
   329,352.50x = 503,408,697,169
5. Step 5: Solve for x
   x = 503,408,697,169/329,352.50
6. Step 6: Final answer
   x = 1,528,479.96