Finding the Third Proportional to 620,982 and 1,281,606

Step by Step Solution

1. Step 1: Write the proportion equation
   620,982 : 1,281,606 = 1,281,606 : x
2. Step 2: Convert to fraction form
   620,982/1,281,606 = 1,281,606/x
3. Step 3: Cross multiply
   620,982x = 1,281,606 × 1,281,606
4. Step 4: Simplify right side
   620,982x = 1,642,513,939,236
5. Step 5: Solve for x
   x = 1,642,513,939,236/620,982
6. Step 6: Final answer
   x = 2,645,026.65