Finding the Third Proportional to 911,806.50 and 1,984,155

Step by Step Solution

1. Step 1: Write the proportion equation
   911,806.50 : 1,984,155 = 1,984,155 : x
2. Step 2: Convert to fraction form
   911,806.50/1,984,155 = 1,984,155/x
3. Step 3: Cross multiply
   911,806.50x = 1,984,155 × 1,984,155
4. Step 4: Simplify right side
   911,806.50x = 3,936,871,064,025
5. Step 5: Solve for x
   x = 3,936,871,064,025/911,806.50
6. Step 6: Final answer
   x = 4,317,660.67