Finding the Third Proportional to 671,261 and 1,016,642

Step by Step Solution

1. Step 1: Write the proportion equation
   671,261 : 1,016,642 = 1,016,642 : x
2. Step 2: Convert to fraction form
   671,261/1,016,642 = 1,016,642/x
3. Step 3: Cross multiply
   671,261x = 1,016,642 × 1,016,642
4. Step 4: Simplify right side
   671,261x = 1,033,560,956,164
5. Step 5: Solve for x
   x = 1,033,560,956,164/671,261
6. Step 6: Final answer
   x = 1,539,730.38