Finding the Third Proportional to 451,300.50 and 991,179

Step by Step Solution

1. Step 1: Write the proportion equation
   451,300.50 : 991,179 = 991,179 : x
2. Step 2: Convert to fraction form
   451,300.50/991,179 = 991,179/x
3. Step 3: Cross multiply
   451,300.50x = 991,179 × 991,179
4. Step 4: Simplify right side
   451,300.50x = 982,435,810,041
5. Step 5: Solve for x
   x = 982,435,810,041/451,300.50
6. Step 6: Final answer
   x = 2,176,899.45