Finding the Third Proportional to 1,177,320 and 1,811,910

Step by Step Solution

1. Step 1: Write the proportion equation
   1,177,320 : 1,811,910 = 1,811,910 : x
2. Step 2: Convert to fraction form
   1,177,320/1,811,910 = 1,811,910/x
3. Step 3: Cross multiply
   1,177,320x = 1,811,910 × 1,811,910
4. Step 4: Simplify right side
   1,177,320x = 3,283,017,848,100
5. Step 5: Solve for x
   x = 3,283,017,848,100/1,177,320
6. Step 6: Final answer
   x = 2,788,551.84