Finding the Third Proportional to 156,740 and 228,538

Step by Step Solution

1. Step 1: Write the proportion equation
   156,740 : 228,538 = 228,538 : x
2. Step 2: Convert to fraction form
   156,740/228,538 = 228,538/x
3. Step 3: Cross multiply
   156,740x = 228,538 × 228,538
4. Step 4: Simplify right side
   156,740x = 52,229,617,444
5. Step 5: Solve for x
   x = 52,229,617,444/156,740
6. Step 6: Final answer
   x = 333,224.56