Finding the Third Proportional to 156,609.50 and 335,359

Step by Step Solution

1. Step 1: Write the proportion equation
   156,609.50 : 335,359 = 335,359 : x
2. Step 2: Convert to fraction form
   156,609.50/335,359 = 335,359/x
3. Step 3: Cross multiply
   156,609.50x = 335,359 × 335,359
4. Step 4: Simplify right side
   156,609.50x = 112,465,658,881
5. Step 5: Solve for x
   x = 112,465,658,881/156,609.50
6. Step 6: Final answer
   x = 718,127.95