Finding the Third Proportional to 458,935.50 and 994,128

Step by Step Solution

1. Step 1: Write the proportion equation
   458,935.50 : 994,128 = 994,128 : x
2. Step 2: Convert to fraction form
   458,935.50/994,128 = 994,128/x
3. Step 3: Cross multiply
   458,935.50x = 994,128 × 994,128
4. Step 4: Simplify right side
   458,935.50x = 988,290,480,384
5. Step 5: Solve for x
   x = 988,290,480,384/458,935.50
6. Step 6: Final answer
   x = 2,153,440.91