Finding the Third Proportional to 612,090 and 1,325,862

Step by Step Solution

1. Step 1: Write the proportion equation
   612,090 : 1,325,862 = 1,325,862 : x
2. Step 2: Convert to fraction form
   612,090/1,325,862 = 1,325,862/x
3. Step 3: Cross multiply
   612,090x = 1,325,862 × 1,325,862
4. Step 4: Simplify right side
   612,090x = 1,757,910,043,044
5. Step 5: Solve for x
   x = 1,757,910,043,044/612,090
6. Step 6: Final answer
   x = 2,871,979.68