Finding the Third Proportional to 356,651.50 and 725,758.50

Step by Step Solution

1. Step 1: Write the proportion equation
   356,651.50 : 725,758.50 = 725,758.50 : x
2. Step 2: Convert to fraction form
   356,651.50/725,758.50 = 725,758.50/x
3. Step 3: Cross multiply
   356,651.50x = 725,758.50 × 725,758.50
4. Step 4: Simplify right side
   356,651.50x = 526,725,400,322.25
5. Step 5: Solve for x
   x = 526,725,400,322.25/356,651.50
6. Step 6: Final answer
   x = 1,476,862.99