Finding the Third Proportional to 156,405.50 and 334,951

Step by Step Solution

1. Step 1: Write the proportion equation
   156,405.50 : 334,951 = 334,951 : x
2. Step 2: Convert to fraction form
   156,405.50/334,951 = 334,951/x
3. Step 3: Cross multiply
   156,405.50x = 334,951 × 334,951
4. Step 4: Simplify right side
   156,405.50x = 112,192,172,401
5. Step 5: Solve for x
   x = 112,192,172,401/156,405.50
6. Step 6: Final answer
   x = 717,316.03