Finding the Third Proportional to 1,188,236 and 1,788,028

Step by Step Solution

1. Step 1: Write the proportion equation
   1,188,236 : 1,788,028 = 1,788,028 : x
2. Step 2: Convert to fraction form
   1,188,236/1,788,028 = 1,788,028/x
3. Step 3: Cross multiply
   1,188,236x = 1,788,028 × 1,788,028
4. Step 4: Simplify right side
   1,188,236x = 3,197,044,128,784
5. Step 5: Solve for x
   x = 3,197,044,128,784/1,188,236
6. Step 6: Final answer
   x = 2,690,580.09