Finding the Third Proportional to 156,932 and 345,538

Step by Step Solution

1. Step 1: Write the proportion equation
   156,932 : 345,538 = 345,538 : x
2. Step 2: Convert to fraction form
   156,932/345,538 = 345,538/x
3. Step 3: Cross multiply
   156,932x = 345,538 × 345,538
4. Step 4: Simplify right side
   156,932x = 119,396,509,444
5. Step 5: Solve for x
   x = 119,396,509,444/156,932
6. Step 6: Final answer
   x = 760,816.85