Finding the Third Proportional to 146,233.69 and 316,455.56

Step by Step Solution

1. Step 1: Write the proportion equation
   146,233.69 : 316,455.56 = 316,455.56 : x
2. Step 2: Convert to fraction form
   146,233.69/316,455.56 = 316,455.56/x
3. Step 3: Cross multiply
   146,233.69x = 316,455.56 × 316,455.56
4. Step 4: Simplify right side
   146,233.69x = 100,144,123,037.19
5. Step 5: Solve for x
   x = 100,144,123,037.19/146,233.69
6. Step 6: Final answer
   x = 684,822.52