Finding the Third Proportional to 156,974 and 335,494

Step by Step Solution

1. Step 1: Write the proportion equation
   156,974 : 335,494 = 335,494 : x
2. Step 2: Convert to fraction form
   156,974/335,494 = 335,494/x
3. Step 3: Cross multiply
   156,974x = 335,494 × 335,494
4. Step 4: Simplify right side
   156,974x = 112,556,224,036
5. Step 5: Solve for x
   x = 112,556,224,036/156,974
6. Step 6: Final answer
   x = 717,037.37