Finding the Third Proportional to 802,971 and 1,783,089

Step by Step Solution

1. Step 1: Write the proportion equation
   802,971 : 1,783,089 = 1,783,089 : x
2. Step 2: Convert to fraction form
   802,971/1,783,089 = 1,783,089/x
3. Step 3: Cross multiply
   802,971x = 1,783,089 × 1,783,089
4. Step 4: Simplify right side
   802,971x = 3,179,406,381,921
5. Step 5: Solve for x
   x = 3,179,406,381,921/802,971
6. Step 6: Final answer
   x = 3,959,553.19