Finding the Third Proportional to 722,394 and 1,581,813

Step by Step Solution

1. Step 1: Write the proportion equation
   722,394 : 1,581,813 = 1,581,813 : x
2. Step 2: Convert to fraction form
   722,394/1,581,813 = 1,581,813/x
3. Step 3: Cross multiply
   722,394x = 1,581,813 × 1,581,813
4. Step 4: Simplify right side
   722,394x = 2,502,132,366,969
5. Step 5: Solve for x
   x = 2,502,132,366,969/722,394
6. Step 6: Final answer
   x = 3,463,667.15