Finding the Third Proportional to 76,472.86 and 154,441.69

Step by Step Solution

1. Step 1: Write the proportion equation
   76,472.86 : 154,441.69 = 154,441.69 : x
2. Step 2: Convert to fraction form
   76,472.86/154,441.69 = 154,441.69/x
3. Step 3: Cross multiply
   76,472.86x = 154,441.69 × 154,441.69
4. Step 4: Simplify right side
   76,472.86x = 23,852,234,837.85
5. Step 5: Solve for x
   x = 23,852,234,837.85/76,472.86
6. Step 6: Final answer
   x = 311,904.58