Finding the Third Proportional to 156,390.75 and 341,451.56

Step by Step Solution

1. Step 1: Write the proportion equation
   156,390.75 : 341,451.56 = 341,451.56 : x
2. Step 2: Convert to fraction form
   156,390.75/341,451.56 = 341,451.56/x
3. Step 3: Cross multiply
   156,390.75x = 341,451.56 × 341,451.56
4. Step 4: Simplify right side
   156,390.75x = 116,589,169,533.69
5. Step 5: Solve for x
   x = 116,589,169,533.69/156,390.75
6. Step 6: Final answer
   x = 745,499.14