Finding the Third Proportional to 339,984 and 500,080.50

Step by Step Solution

1. Step 1: Write the proportion equation
   339,984 : 500,080.50 = 500,080.50 : x
2. Step 2: Convert to fraction form
   339,984/500,080.50 = 500,080.50/x
3. Step 3: Cross multiply
   339,984x = 500,080.50 × 500,080.50
4. Step 4: Simplify right side
   339,984x = 250,080,506,480.25
5. Step 5: Solve for x
   x = 250,080,506,480.25/339,984
6. Step 6: Final answer
   x = 735,565.52