Finding the Third Proportional to 333,396 and 500,134.50

Step by Step Solution

1. Step 1: Write the proportion equation
   333,396 : 500,134.50 = 500,134.50 : x
2. Step 2: Convert to fraction form
   333,396/500,134.50 = 500,134.50/x
3. Step 3: Cross multiply
   333,396x = 500,134.50 × 500,134.50
4. Step 4: Simplify right side
   333,396x = 250,134,518,090.25
5. Step 5: Solve for x
   x = 250,134,518,090.25/333,396
6. Step 6: Final answer
   x = 750,262.50