Finding the Third Proportional to 156,772 and 337,112

Step by Step Solution

1. Step 1: Write the proportion equation
   156,772 : 337,112 = 337,112 : x
2. Step 2: Convert to fraction form
   156,772/337,112 = 337,112/x
3. Step 3: Cross multiply
   156,772x = 337,112 × 337,112
4. Step 4: Simplify right side
   156,772x = 113,644,500,544
5. Step 5: Solve for x
   x = 113,644,500,544/156,772
6. Step 6: Final answer
   x = 724,903.05