Finding the Third Proportional to 156,379.50 and 343,206

Step by Step Solution

1. Step 1: Write the proportion equation
   156,379.50 : 343,206 = 343,206 : x
2. Step 2: Convert to fraction form
   156,379.50/343,206 = 343,206/x
3. Step 3: Cross multiply
   156,379.50x = 343,206 × 343,206
4. Step 4: Simplify right side
   156,379.50x = 117,790,358,436
5. Step 5: Solve for x
   x = 117,790,358,436/156,379.50
6. Step 6: Final answer
   x = 753,234.01