Finding the Third Proportional to 445,205.50 and 986,450

Step by Step Solution

1. Step 1: Write the proportion equation
   445,205.50 : 986,450 = 986,450 : x
2. Step 2: Convert to fraction form
   445,205.50/986,450 = 986,450/x
3. Step 3: Cross multiply
   445,205.50x = 986,450 × 986,450
4. Step 4: Simplify right side
   445,205.50x = 973,083,602,500
5. Step 5: Solve for x
   x = 973,083,602,500/445,205.50
6. Step 6: Final answer
   x = 2,185,695.38