Finding the Third Proportional to 722,397 and 1,581,819

Step by Step Solution

1. Step 1: Write the proportion equation
   722,397 : 1,581,819 = 1,581,819 : x
2. Step 2: Convert to fraction form
   722,397/1,581,819 = 1,581,819/x
3. Step 3: Cross multiply
   722,397x = 1,581,819 × 1,581,819
4. Step 4: Simplify right side
   722,397x = 2,502,151,348,761
5. Step 5: Solve for x
   x = 2,502,151,348,761/722,397
6. Step 6: Final answer
   x = 3,463,679.04