Finding the Third Proportional to 863,960 and 1,216,114

Step by Step Solution

1. Step 1: Write the proportion equation
   863,960 : 1,216,114 = 1,216,114 : x
2. Step 2: Convert to fraction form
   863,960/1,216,114 = 1,216,114/x
3. Step 3: Cross multiply
   863,960x = 1,216,114 × 1,216,114
4. Step 4: Simplify right side
   863,960x = 1,478,933,260,996
5. Step 5: Solve for x
   x = 1,478,933,260,996/863,960
6. Step 6: Final answer
   x = 1,711,807.56