Finding the Third Proportional to 231,445.69 and 506,145.38

Step by Step Solution

1. Step 1: Write the proportion equation
   231,445.69 : 506,145.38 = 506,145.38 : x
2. Step 2: Convert to fraction form
   231,445.69/506,145.38 = 506,145.38/x
3. Step 3: Cross multiply
   231,445.69x = 506,145.38 × 506,145.38
4. Step 4: Simplify right side
   231,445.69x = 256,183,140,633.89
5. Step 5: Solve for x
   x = 256,183,140,633.89/231,445.69
6. Step 6: Final answer
   x = 1,106,882.32