Finding the Third Proportional to 620,284 and 983,810

Step by Step Solution

1. Step 1: Write the proportion equation
   620,284 : 983,810 = 983,810 : x
2. Step 2: Convert to fraction form
   620,284/983,810 = 983,810/x
3. Step 3: Cross multiply
   620,284x = 983,810 × 983,810
4. Step 4: Simplify right side
   620,284x = 967,882,116,100
5. Step 5: Solve for x
   x = 967,882,116,100/620,284
6. Step 6: Final answer
   x = 1,560,385.43