Finding the Third Proportional to 156,740 and 333,448

Step by Step Solution

1. Step 1: Write the proportion equation
   156,740 : 333,448 = 333,448 : x
2. Step 2: Convert to fraction form
   156,740/333,448 = 333,448/x
3. Step 3: Cross multiply
   156,740x = 333,448 × 333,448
4. Step 4: Simplify right side
   156,740x = 111,187,568,704
5. Step 5: Solve for x
   x = 111,187,568,704/156,740
6. Step 6: Final answer
   x = 709,375.84