Finding the Third Proportional to 1,219,241 and 1,811,199

Step by Step Solution

1. Step 1: Write the proportion equation
   1,219,241 : 1,811,199 = 1,811,199 : x
2. Step 2: Convert to fraction form
   1,219,241/1,811,199 = 1,811,199/x
3. Step 3: Cross multiply
   1,219,241x = 1,811,199 × 1,811,199
4. Step 4: Simplify right side
   1,219,241x = 3,280,441,817,601
5. Step 5: Solve for x
   x = 3,280,441,817,601/1,219,241
6. Step 6: Final answer
   x = 2,690,560.62