Finding the Third Proportional to 862,381 and 1,814,129

Step by Step Solution

1. Step 1: Write the proportion equation
   862,381 : 1,814,129 = 1,814,129 : x
2. Step 2: Convert to fraction form
   862,381/1,814,129 = 1,814,129/x
3. Step 3: Cross multiply
   862,381x = 1,814,129 × 1,814,129
4. Step 4: Simplify right side
   862,381x = 3,291,064,028,641
5. Step 5: Solve for x
   x = 3,291,064,028,641/862,381
6. Step 6: Final answer
   x = 3,816,252.94