Finding the Third Proportional to 817,417 and 1,345,961

Step by Step Solution

1. Step 1: Write the proportion equation
   817,417 : 1,345,961 = 1,345,961 : x
2. Step 2: Convert to fraction form
   817,417/1,345,961 = 1,345,961/x
3. Step 3: Cross multiply
   817,417x = 1,345,961 × 1,345,961
4. Step 4: Simplify right side
   817,417x = 1,811,611,013,521
5. Step 5: Solve for x
   x = 1,811,611,013,521/817,417
6. Step 6: Final answer
   x = 2,216,262.95