Finding the Third Proportional to 671,258 and 1,016,636

Step by Step Solution

1. Step 1: Write the proportion equation
   671,258 : 1,016,636 = 1,016,636 : x
2. Step 2: Convert to fraction form
   671,258/1,016,636 = 1,016,636/x
3. Step 3: Cross multiply
   671,258x = 1,016,636 × 1,016,636
4. Step 4: Simplify right side
   671,258x = 1,033,548,756,496
5. Step 5: Solve for x
   x = 1,033,548,756,496/671,258
6. Step 6: Final answer
   x = 1,539,719.09