Finding the Third Proportional to 156,241.50 and 334,626

Step by Step Solution

1. Step 1: Write the proportion equation
   156,241.50 : 334,626 = 334,626 : x
2. Step 2: Convert to fraction form
   156,241.50/334,626 = 334,626/x
3. Step 3: Cross multiply
   156,241.50x = 334,626 × 334,626
4. Step 4: Simplify right side
   156,241.50x = 111,974,559,876
5. Step 5: Solve for x
   x = 111,974,559,876/156,241.50
6. Step 6: Final answer
   x = 716,676.17