Finding the Third Proportional to 156,405 and 334,950

Step by Step Solution

1. Step 1: Write the proportion equation
   156,405 : 334,950 = 334,950 : x
2. Step 2: Convert to fraction form
   156,405/334,950 = 334,950/x
3. Step 3: Cross multiply
   156,405x = 334,950 × 334,950
4. Step 4: Simplify right side
   156,405x = 112,191,502,500
5. Step 5: Solve for x
   x = 112,191,502,500/156,405
6. Step 6: Final answer
   x = 717,314.04