Finding the Third Proportional to 661,509 and 1,018,112

Step by Step Solution

1. Step 1: Write the proportion equation
   661,509 : 1,018,112 = 1,018,112 : x
2. Step 2: Convert to fraction form
   661,509/1,018,112 = 1,018,112/x
3. Step 3: Cross multiply
   661,509x = 1,018,112 × 1,018,112
4. Step 4: Simplify right side
   661,509x = 1,036,552,044,544
5. Step 5: Solve for x
   x = 1,036,552,044,544/661,509
6. Step 6: Final answer
   x = 1,566,950.78