Finding the Third Proportional to 819,219 and 1,271,961

Step by Step Solution

1. Step 1: Write the proportion equation
   819,219 : 1,271,961 = 1,271,961 : x
2. Step 2: Convert to fraction form
   819,219/1,271,961 = 1,271,961/x
3. Step 3: Cross multiply
   819,219x = 1,271,961 × 1,271,961
4. Step 4: Simplify right side
   819,219x = 1,617,884,785,521
5. Step 5: Solve for x
   x = 1,617,884,785,521/819,219
6. Step 6: Final answer
   x = 1,974,911.21