Finding the Third Proportional to 1,188,476 and 1,788,402

Step by Step Solution

1. Step 1: Write the proportion equation
   1,188,476 : 1,788,402 = 1,788,402 : x
2. Step 2: Convert to fraction form
   1,188,476/1,788,402 = 1,788,402/x
3. Step 3: Cross multiply
   1,188,476x = 1,788,402 × 1,788,402
4. Step 4: Simplify right side
   1,188,476x = 3,198,381,713,604
5. Step 5: Solve for x
   x = 3,198,381,713,604/1,188,476
6. Step 6: Final answer
   x = 2,691,162.22