Finding the Third Proportional to 1,018,773 and 1,378,692

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018,773 : 1,378,692 = 1,378,692 : x
2. Step 2: Convert to fraction form
   1,018,773/1,378,692 = 1,378,692/x
3. Step 3: Cross multiply
   1,018,773x = 1,378,692 × 1,378,692
4. Step 4: Simplify right side
   1,018,773x = 1,900,791,630,864
5. Step 5: Solve for x
   x = 1,900,791,630,864/1,018,773
6. Step 6: Final answer
   x = 1,865,765.61