Finding the Third Proportional to 862,388 and 1,814,143

Step by Step Solution

1. Step 1: Write the proportion equation
   862,388 : 1,814,143 = 1,814,143 : x
2. Step 2: Convert to fraction form
   862,388/1,814,143 = 1,814,143/x
3. Step 3: Cross multiply
   862,388x = 1,814,143 × 1,814,143
4. Step 4: Simplify right side
   862,388x = 3,291,114,824,449
5. Step 5: Solve for x
   x = 3,291,114,824,449/862,388
6. Step 6: Final answer
   x = 3,816,280.87