Finding the Third Proportional to 729,972 and 976,434.75

Step by Step Solution

1. Step 1: Write the proportion equation
   729,972 : 976,434.75 = 976,434.75 : x
2. Step 2: Convert to fraction form
   729,972/976,434.75 = 976,434.75/x
3. Step 3: Cross multiply
   729,972x = 976,434.75 × 976,434.75
4. Step 4: Simplify right side
   729,972x = 953,424,821,007.56
5. Step 5: Solve for x
   x = 953,424,821,007.56/729,972
6. Step 6: Final answer
   x = 1,306,111.50