Finding the Third Proportional to 1,017,028 and 1,381,240

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017,028 : 1,381,240 = 1,381,240 : x
2. Step 2: Convert to fraction form
   1,017,028/1,381,240 = 1,381,240/x
3. Step 3: Cross multiply
   1,017,028x = 1,381,240 × 1,381,240
4. Step 4: Simplify right side
   1,017,028x = 1,907,823,937,600
5. Step 5: Solve for x
   x = 1,907,823,937,600/1,017,028
6. Step 6: Final answer
   x = 1,875,881.43