Finding the Third Proportional to 1,016,991 and 1,381,203

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016,991 : 1,381,203 = 1,381,203 : x
2. Step 2: Convert to fraction form
   1,016,991/1,381,203 = 1,381,203/x
3. Step 3: Cross multiply
   1,016,991x = 1,381,203 × 1,381,203
4. Step 4: Simplify right side
   1,016,991x = 1,907,721,727,209
5. Step 5: Solve for x
   x = 1,907,721,727,209/1,016,991
6. Step 6: Final answer
   x = 1,875,849.17