Finding the Third Proportional to 300,169.50 and 655,741.50

Step by Step Solution

1. Step 1: Write the proportion equation
   300,169.50 : 655,741.50 = 655,741.50 : x
2. Step 2: Convert to fraction form
   300,169.50/655,741.50 = 655,741.50/x
3. Step 3: Cross multiply
   300,169.50x = 655,741.50 × 655,741.50
4. Step 4: Simplify right side
   300,169.50x = 429,996,914,822.25
5. Step 5: Solve for x
   x = 429,996,914,822.25/300,169.50
6. Step 6: Final answer
   x = 1,432,513.68