Finding the Third Proportional to 156,956 and 339,060

Step by Step Solution

1. Step 1: Write the proportion equation
   156,956 : 339,060 = 339,060 : x
2. Step 2: Convert to fraction form
   156,956/339,060 = 339,060/x
3. Step 3: Cross multiply
   156,956x = 339,060 × 339,060
4. Step 4: Simplify right side
   156,956x = 114,961,683,600
5. Step 5: Solve for x
   x = 114,961,683,600/156,956
6. Step 6: Final answer
   x = 732,445.29