Finding the Third Proportional to 1,213,323 and 2,665,171

Step by Step Solution

1. Step 1: Write the proportion equation
   1,213,323 : 2,665,171 = 2,665,171 : x
2. Step 2: Convert to fraction form
   1,213,323/2,665,171 = 2,665,171/x
3. Step 3: Cross multiply
   1,213,323x = 2,665,171 × 2,665,171
4. Step 4: Simplify right side
   1,213,323x = 7,103,136,459,241
5. Step 5: Solve for x
   x = 7,103,136,459,241/1,213,323
6. Step 6: Final answer
   x = 5,854,283.20