Finding the Third Proportional to 156,628.69 and 234,355.78

Step by Step Solution

1. Step 1: Write the proportion equation
   156,628.69 : 234,355.78 = 234,355.78 : x
2. Step 2: Convert to fraction form
   156,628.69/234,355.78 = 234,355.78/x
3. Step 3: Cross multiply
   156,628.69x = 234,355.78 × 234,355.78
4. Step 4: Simplify right side
   156,628.69x = 54,922,632,205.30
5. Step 5: Solve for x
   x = 54,922,632,205.30/156,628.69
6. Step 6: Final answer
   x = 350,655.00