Finding the Third Proportional to 729,987 and 976,456.50

Step by Step Solution

1. Step 1: Write the proportion equation
   729,987 : 976,456.50 = 976,456.50 : x
2. Step 2: Convert to fraction form
   729,987/976,456.50 = 976,456.50/x
3. Step 3: Cross multiply
   729,987x = 976,456.50 × 976,456.50
4. Step 4: Simplify right side
   729,987x = 953,467,296,392.25
5. Step 5: Solve for x
   x = 953,467,296,392.25/729,987
6. Step 6: Final answer
   x = 1,306,142.84