Finding the Third Proportional to 661,398 and 1,435,548

Step by Step Solution

1. Step 1: Write the proportion equation
   661,398 : 1,435,548 = 1,435,548 : x
2. Step 2: Convert to fraction form
   661,398/1,435,548 = 1,435,548/x
3. Step 3: Cross multiply
   661,398x = 1,435,548 × 1,435,548
4. Step 4: Simplify right side
   661,398x = 2,060,798,060,304
5. Step 5: Solve for x
   x = 2,060,798,060,304/661,398
6. Step 6: Final answer
   x = 3,115,821.43