Finding the Third Proportional to 863,989.50 and 1,885,200

Step by Step Solution

1. Step 1: Write the proportion equation
   863,989.50 : 1,885,200 = 1,885,200 : x
2. Step 2: Convert to fraction form
   863,989.50/1,885,200 = 1,885,200/x
3. Step 3: Cross multiply
   863,989.50x = 1,885,200 × 1,885,200
4. Step 4: Simplify right side
   863,989.50x = 3,553,979,040,000
5. Step 5: Solve for x
   x = 3,553,979,040,000/863,989.50
6. Step 6: Final answer
   x = 4,113,451.66