Finding the Third Proportional to 638,514 and 956,013.75

Step by Step Solution

1. Step 1: Write the proportion equation
   638,514 : 956,013.75 = 956,013.75 : x
2. Step 2: Convert to fraction form
   638,514/956,013.75 = 956,013.75/x
3. Step 3: Cross multiply
   638,514x = 956,013.75 × 956,013.75
4. Step 4: Simplify right side
   638,514x = 913,962,290,189.06
5. Step 5: Solve for x
   x = 913,962,290,189.06/638,514
6. Step 6: Final answer
   x = 1,431,389.59