Finding the Third Proportional to 352,039.50 and 757,147.50

Step by Step Solution

1. Step 1: Write the proportion equation
   352,039.50 : 757,147.50 = 757,147.50 : x
2. Step 2: Convert to fraction form
   352,039.50/757,147.50 = 757,147.50/x
3. Step 3: Cross multiply
   352,039.50x = 757,147.50 × 757,147.50
4. Step 4: Simplify right side
   352,039.50x = 573,272,336,756.25
5. Step 5: Solve for x
   x = 573,272,336,756.25/352,039.50
6. Step 6: Final answer
   x = 1,628,431.86