Finding the Third Proportional to 333,170 and 487,259.50

Step by Step Solution

1. Step 1: Write the proportion equation
   333,170 : 487,259.50 = 487,259.50 : x
2. Step 2: Convert to fraction form
   333,170/487,259.50 = 487,259.50/x
3. Step 3: Cross multiply
   333,170x = 487,259.50 × 487,259.50
4. Step 4: Simplify right side
   333,170x = 237,421,820,340.25
5. Step 5: Solve for x
   x = 237,421,820,340.25/333,170
6. Step 6: Final answer
   x = 712,614.64