Finding the Third Proportional to 156,180 and 338,610

Step by Step Solution

1. Step 1: Write the proportion equation
   156,180 : 338,610 = 338,610 : x
2. Step 2: Convert to fraction form
   156,180/338,610 = 338,610/x
3. Step 3: Cross multiply
   156,180x = 338,610 × 338,610
4. Step 4: Simplify right side
   156,180x = 114,656,732,100
5. Step 5: Solve for x
   x = 114,656,732,100/156,180
6. Step 6: Final answer
   x = 734,131.98