Finding the Third Proportional to 676,221 and 1,427,892

Step by Step Solution

1. Step 1: Write the proportion equation
   676,221 : 1,427,892 = 1,427,892 : x
2. Step 2: Convert to fraction form
   676,221/1,427,892 = 1,427,892/x
3. Step 3: Cross multiply
   676,221x = 1,427,892 × 1,427,892
4. Step 4: Simplify right side
   676,221x = 2,038,875,563,664
5. Step 5: Solve for x
   x = 2,038,875,563,664/676,221
6. Step 6: Final answer
   x = 3,015,102.41