Finding the Third Proportional to 456,151.50 and 657,072

Step by Step Solution

1. Step 1: Write the proportion equation
   456,151.50 : 657,072 = 657,072 : x
2. Step 2: Convert to fraction form
   456,151.50/657,072 = 657,072/x
3. Step 3: Cross multiply
   456,151.50x = 657,072 × 657,072
4. Step 4: Simplify right side
   456,151.50x = 431,743,613,184
5. Step 5: Solve for x
   x = 431,743,613,184/456,151.50
6. Step 6: Final answer
   x = 946,491.71