Finding the Third Proportional to 156,613.50 and 343,845

Step by Step Solution

1. Step 1: Write the proportion equation
   156,613.50 : 343,845 = 343,845 : x
2. Step 2: Convert to fraction form
   156,613.50/343,845 = 343,845/x
3. Step 3: Cross multiply
   156,613.50x = 343,845 × 343,845
4. Step 4: Simplify right side
   156,613.50x = 118,229,384,025
5. Step 5: Solve for x
   x = 118,229,384,025/156,613.50
6. Step 6: Final answer
   x = 754,911.83