Finding the Third Proportional to 458,103.88 and 986,443.79

Step by Step Solution

1. Step 1: Write the proportion equation
   458,103.88 : 986,443.79 = 986,443.79 : x
2. Step 2: Convert to fraction form
   458,103.88/986,443.79 = 986,443.79/x
3. Step 3: Cross multiply
   458,103.88x = 986,443.79 × 986,443.79
4. Step 4: Simplify right side
   458,103.88x = 973,071,345,126.78
5. Step 5: Solve for x
   x = 973,071,345,126.78/458,103.88
6. Step 6: Final answer
   x = 2,124,128.12