Finding the Third Proportional to 1,238,198 and 1,851,604

Step by Step Solution

1. Step 1: Write the proportion equation
   1,238,198 : 1,851,604 = 1,851,604 : x
2. Step 2: Convert to fraction form
   1,238,198/1,851,604 = 1,851,604/x
3. Step 3: Cross multiply
   1,238,198x = 1,851,604 × 1,851,604
4. Step 4: Simplify right side
   1,238,198x = 3,428,437,372,816
5. Step 5: Solve for x
   x = 3,428,437,372,816/1,238,198
6. Step 6: Final answer
   x = 2,768,892.68