Finding the Third Proportional to 458,879.50 and 994,031

Step by Step Solution

1. Step 1: Write the proportion equation
   458,879.50 : 994,031 = 994,031 : x
2. Step 2: Convert to fraction form
   458,879.50/994,031 = 994,031/x
3. Step 3: Cross multiply
   458,879.50x = 994,031 × 994,031
4. Step 4: Simplify right side
   458,879.50x = 988,097,628,961
5. Step 5: Solve for x
   x = 988,097,628,961/458,879.50
6. Step 6: Final answer
   x = 2,153,283.44